Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

196 files changed, 1949 insertions, 951 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index ae610f046de5..e34ea9e5e28b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -720,6 +720,7 @@ static int vlan_dev_init(struct net_device *dev)
 	dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
 #endif
 
+	dev->needed_headroom = real_dev->needed_headroom;
 	if (real_dev->features & NETIF_F_HW_VLAN_TX) {
 		dev->header_ops      = real_dev->header_ops;
 		dev->hard_header_len = real_dev->hard_header_len;
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index d1314cf18adf..d940c49d168a 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -54,7 +54,7 @@ static const char name_conf[]	 = "config";
 
 /*
  *	Structures for interfacing with the /proc filesystem.
- *	VLAN creates its own directory /proc/net/vlan with the folowing
+ *	VLAN creates its own directory /proc/net/vlan with the following
  *	entries:
  *	config		device status/configuration
  *	<device>	entry for each  device
diff --git a/net/9p/client.c b/net/9p/client.c
index 347ec0cd2718..77367745be9b 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -178,7 +178,7 @@ free_and_return:
  * @tag: numeric id for transaction
  *
  * this is a simple array lookup, but will grow the
- * request_slots as necessary to accomodate transaction
+ * request_slots as necessary to accommodate transaction
  * ids which did not previously have a slot.
  *
  * this code relies on the client spinlock to manage locks, its
@@ -223,7 +223,7 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 
 	req = &c->reqs[row][col];
 	if (!req->tc) {
-		req->wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
+		req->wq = kmalloc(sizeof(wait_queue_head_t), GFP_NOFS);
 		if (!req->wq) {
 			printk(KERN_ERR "Couldn't grow tag array\n");
 			return ERR_PTR(-ENOMEM);
@@ -233,17 +233,17 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 				P9_TRANS_PREF_PAYLOAD_SEP) {
 			int alloc_msize = min(c->msize, 4096);
 			req->tc = kmalloc(sizeof(struct p9_fcall)+alloc_msize,
-					GFP_KERNEL);
+					  GFP_NOFS);
 			req->tc->capacity = alloc_msize;
 			req->rc = kmalloc(sizeof(struct p9_fcall)+alloc_msize,
-					GFP_KERNEL);
+					  GFP_NOFS);
 			req->rc->capacity = alloc_msize;
 		} else {
 			req->tc = kmalloc(sizeof(struct p9_fcall)+c->msize,
-					GFP_KERNEL);
+					  GFP_NOFS);
 			req->tc->capacity = c->msize;
 			req->rc = kmalloc(sizeof(struct p9_fcall)+c->msize,
-					GFP_KERNEL);
+					  GFP_NOFS);
 			req->rc->capacity = c->msize;
 		}
 		if ((!req->tc) || (!req->rc)) {
@@ -929,15 +929,15 @@ error:
 }
 EXPORT_SYMBOL(p9_client_attach);
 
-struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
-	int clone)
+struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
+		char **wnames, int clone)
 {
 	int err;
 	struct p9_client *clnt;
 	struct p9_fid *fid;
 	struct p9_qid *wqids;
 	struct p9_req_t *req;
-	int16_t nwqids, count;
+	uint16_t nwqids, count;
 
 	err = 0;
 	wqids = NULL;
@@ -955,7 +955,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 		fid = oldfid;
 
 
-	P9_DPRINTK(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %d wname[0] %s\n",
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %ud wname[0] %s\n",
 		oldfid->fid, fid->fid, nwname, wnames ? wnames[0] : NULL);
 
 	req = p9_client_rpc(clnt, P9_TWALK, "ddT", oldfid->fid, fid->fid,
@@ -1220,27 +1220,6 @@ error:
 }
 EXPORT_SYMBOL(p9_client_fsync);
 
-int p9_client_sync_fs(struct p9_fid *fid)
-{
-	int err = 0;
-	struct p9_req_t *req;
-	struct p9_client *clnt;
-
-	P9_DPRINTK(P9_DEBUG_9P, ">>> TSYNC_FS fid %d\n", fid->fid);
-
-	clnt = fid->clnt;
-	req = p9_client_rpc(clnt, P9_TSYNCFS, "d", fid->fid);
-	if (IS_ERR(req)) {
-		err = PTR_ERR(req);
-		goto error;
-	}
-	P9_DPRINTK(P9_DEBUG_9P, "<<< RSYNCFS fid %d\n", fid->fid);
-	p9_free_req(clnt, req);
-error:
-	return err;
-}
-EXPORT_SYMBOL(p9_client_sync_fs);
-
 int p9_client_clunk(struct p9_fid *fid)
 {
 	int err;
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 2ce515b859b3..b58a501cf3d1 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -205,7 +205,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 				if (errcode)
 					break;
 
-				*sptr = kmalloc(len + 1, GFP_KERNEL);
+				*sptr = kmalloc(len + 1, GFP_NOFS);
 				if (*sptr == NULL) {
 					errcode = -EFAULT;
 					break;
@@ -265,7 +265,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			}
 			break;
 		case 'T':{
-				int16_t *nwname = va_arg(ap, int16_t *);
+				uint16_t *nwname = va_arg(ap, uint16_t *);
 				char ***wnames = va_arg(ap, char ***);
 
 				errcode = p9pdu_readf(pdu, proto_version,
@@ -273,7 +273,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 				if (!errcode) {
 					*wnames =
 					    kmalloc(sizeof(char *) * *nwname,
-						    GFP_KERNEL);
+						    GFP_NOFS);
 					if (!*wnames)
 						errcode = -ENOMEM;
 				}
@@ -317,7 +317,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 					*wqids =
 					    kmalloc(*nwqid *
 						    sizeof(struct p9_qid),
-						    GFP_KERNEL);
+						    GFP_NOFS);
 					if (*wqids == NULL)
 						errcode = -ENOMEM;
 				}
@@ -468,7 +468,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
 		case 'E':{
 				 int32_t cnt = va_arg(ap, int32_t);
 				 const char *k = va_arg(ap, const void *);
-				 const char *u = va_arg(ap, const void *);
+				 const char __user *u = va_arg(ap,
+							const void __user *);
 				 errcode = p9pdu_writef(pdu, proto_version, "d",
 						 cnt);
 				 if (!errcode && pdu_write_urw(pdu, k, u, cnt))
@@ -495,7 +496,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			}
 			break;
 		case 'T':{
-				int16_t nwname = va_arg(ap, int);
+				uint16_t nwname = va_arg(ap, int);
 				const char **wnames = va_arg(ap, const char **);
 
 				errcode = p9pdu_writef(pdu, proto_version, "w",
diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c
index d62b9aa58df8..e883172f9aa2 100644
--- a/net/9p/trans_common.c
+++ b/net/9p/trans_common.c
@@ -36,14 +36,14 @@ p9_release_req_pages(struct trans_rpage_info *rpinfo)
 EXPORT_SYMBOL(p9_release_req_pages);
 
 /**
- * p9_nr_pages - Return number of pages needed to accomodate the payload.
+ * p9_nr_pages - Return number of pages needed to accommodate the payload.
  */
 int
 p9_nr_pages(struct p9_req_t *req)
 {
-	int start_page, end_page;
-	start_page =  (unsigned long long)req->tc->pubuf >> PAGE_SHIFT;
-	end_page = ((unsigned long long)req->tc->pubuf + req->tc->pbuf_size +
+	unsigned long start_page, end_page;
+	start_page =  (unsigned long)req->tc->pubuf >> PAGE_SHIFT;
+	end_page = ((unsigned long)req->tc->pubuf + req->tc->pbuf_size +
 			PAGE_SIZE - 1) >> PAGE_SHIFT;
 	return end_page - start_page;
 }
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(p9_nr_pages);
  * @req: Request to be sent to server.
  * @pdata_off: data offset into the first page after translation (gup).
  * @pdata_len: Total length of the IO. gup may not return requested # of pages.
- * @nr_pages: number of pages to accomodate the payload
+ * @nr_pages: number of pages to accommodate the payload
  * @rw: Indicates if the pages are for read or write.
  */
 int
@@ -66,11 +66,11 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len,
 	uint32_t pdata_mapped_pages;
 	struct trans_rpage_info  *rpinfo;
 
-	*pdata_off = (size_t)req->tc->pubuf & (PAGE_SIZE-1);
+	*pdata_off = (__force size_t)req->tc->pubuf & (PAGE_SIZE-1);
 
 	if (*pdata_off)
-		first_page_bytes = min((PAGE_SIZE - *pdata_off),
-				req->tc->pbuf_size);
+		first_page_bytes = min(((size_t)PAGE_SIZE - *pdata_off),
+				       req->tc->pbuf_size);
 
 	rpinfo = req->tc->private;
 	pdata_mapped_pages = get_user_pages_fast((unsigned long)req->tc->pubuf,
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index a30471e51740..aa5672b15eae 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -350,7 +350,7 @@ static void p9_read_work(struct work_struct *work)
 
 		if (m->req->rc == NULL) {
 			m->req->rc = kmalloc(sizeof(struct p9_fcall) +
-						m->client->msize, GFP_KERNEL);
+						m->client->msize, GFP_NOFS);
 			if (!m->req->rc) {
 				m->req = NULL;
 				err = -ENOMEM;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 29a54ccd213d..150e0c4bbf40 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -424,7 +424,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
 	struct p9_rdma_context *rpl_context = NULL;
 
 	/* Allocate an fcall for the reply */
-	rpl_context = kmalloc(sizeof *rpl_context, GFP_KERNEL);
+	rpl_context = kmalloc(sizeof *rpl_context, GFP_NOFS);
 	if (!rpl_context) {
 		err = -ENOMEM;
 		goto err_close;
@@ -437,7 +437,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
 	 */
 	if (!req->rc) {
 		req->rc = kmalloc(sizeof(struct p9_fcall)+client->msize,
-								GFP_KERNEL);
+				  GFP_NOFS);
 		if (req->rc) {
 			req->rc->sdata = (char *) req->rc +
 						sizeof(struct p9_fcall);
@@ -468,7 +468,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
 	req->rc = NULL;
 
 	/* Post the request */
-	c = kmalloc(sizeof *c, GFP_KERNEL);
+	c = kmalloc(sizeof *c, GFP_NOFS);
 	if (!c) {
 		err = -ENOMEM;
 		goto err_free1;
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 9b550ed9c711..244e70742183 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -43,6 +43,7 @@
 #include <net/9p/client.h>
 #include <net/9p/transport.h>
 #include <linux/scatterlist.h>
+#include <linux/swap.h>
 #include <linux/virtio.h>
 #include <linux/virtio_9p.h>
 #include "trans_common.h"
@@ -51,6 +52,8 @@
 
 /* a single mutex to manage channel initialization and attachment */
 static DEFINE_MUTEX(virtio_9p_lock);
+static DECLARE_WAIT_QUEUE_HEAD(vp_wq);
+static atomic_t vp_pinned = ATOMIC_INIT(0);
 
 /**
  * struct virtio_chan - per-instance transport information
@@ -78,7 +81,10 @@ struct virtio_chan {
 	struct virtqueue *vq;
 	int ring_bufs_avail;
 	wait_queue_head_t *vc_wq;
-
+	/* This is global limit. Since we don't have a global structure,
+	 * will be placing it in each channel.
+	 */
+	int p9_max_pages;
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[VIRTQUEUE_NUM];
 
@@ -141,34 +147,36 @@ static void req_done(struct virtqueue *vq)
 
 	P9_DPRINTK(P9_DEBUG_TRANS, ": request done\n");
 
-	do {
+	while (1) {
 		spin_lock_irqsave(&chan->lock, flags);
 		rc = virtqueue_get_buf(chan->vq, &len);
 
-		if (rc != NULL) {
-			if (!chan->ring_bufs_avail) {
-				chan->ring_bufs_avail = 1;
-				wake_up(chan->vc_wq);
-			}
-			spin_unlock_irqrestore(&chan->lock, flags);
-			P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
-			P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n",
-					rc->tag);
-			req = p9_tag_lookup(chan->client, rc->tag);
-			req->status = REQ_STATUS_RCVD;
-			if (req->tc->private) {
-				struct trans_rpage_info *rp = req->tc->private;
-				/*Release pages */
-				p9_release_req_pages(rp);
-				if (rp->rp_alloc)
-					kfree(rp);
-				req->tc->private = NULL;
-			}
-			p9_client_cb(chan->client, req);
-		} else {
+		if (rc == NULL) {
 			spin_unlock_irqrestore(&chan->lock, flags);
+			break;
+		}
+
+		chan->ring_bufs_avail = 1;
+		spin_unlock_irqrestore(&chan->lock, flags);
+		/* Wakeup if anyone waiting for VirtIO ring space. */
+		wake_up(chan->vc_wq);
+		P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
+		P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
+		req = p9_tag_lookup(chan->client, rc->tag);
+		if (req->tc->private) {
+			struct trans_rpage_info *rp = req->tc->private;
+			int p = rp->rp_nr_pages;
+			/*Release pages */
+			p9_release_req_pages(rp);
+			atomic_sub(p, &vp_pinned);
+			wake_up(&vp_wq);
+			if (rp->rp_alloc)
+				kfree(rp);
+			req->tc->private = NULL;
 		}
-	} while (rc != NULL);
+		req->status = REQ_STATUS_RCVD;
+		p9_client_cb(chan->client, req);
+	}
 }
 
 /**
@@ -263,7 +271,6 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 
 	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n");
 
-req_retry:
 	req->status = REQ_STATUS_SENT;
 
 	if (req->tc->pbuf_size && (req->tc->pubuf && P9_IS_USER_CONTEXT)) {
@@ -271,6 +278,14 @@ req_retry:
 		int rpinfo_size = sizeof(struct trans_rpage_info) +
 			sizeof(struct page *) * nr_pages;
 
+		if (atomic_read(&vp_pinned) >= chan->p9_max_pages) {
+			err = wait_event_interruptible(vp_wq,
+				atomic_read(&vp_pinned) < chan->p9_max_pages);
+			if (err  == -ERESTARTSYS)
+				return err;
+			P9_DPRINTK(P9_DEBUG_TRANS, "9p: May gup pages now.\n");
+		}
+
 		if (rpinfo_size <= (req->tc->capacity - req->tc->size)) {
 			/* We can use sdata */
 			req->tc->private = req->tc->sdata + req->tc->size;
@@ -293,9 +308,12 @@ req_retry:
 			if (rpinfo->rp_alloc)
 				kfree(rpinfo);
 			return err;
+		} else {
+			atomic_add(rpinfo->rp_nr_pages, &vp_pinned);
 		}
 	}
 
+req_retry_pinned:
 	spin_lock_irqsave(&chan->lock, flags);
 
 	/* Handle out VirtIO ring buffers */
@@ -308,8 +326,11 @@ req_retry:
 			outp = pack_sg_list_p(chan->sg, out, VIRTQUEUE_NUM,
 					pdata_off, rpinfo->rp_data, pdata_len);
 		} else {
-			char *pbuf = req->tc->pubuf ? req->tc->pubuf :
-								req->tc->pkbuf;
+			char *pbuf;
+			if (req->tc->pubuf)
+				pbuf = (__force char *) req->tc->pubuf;
+			else
+				pbuf = req->tc->pkbuf;
 			outp = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, pbuf,
 					req->tc->pbuf_size);
 		}
@@ -334,8 +355,12 @@ req_retry:
 			in = pack_sg_list_p(chan->sg, out+inp, VIRTQUEUE_NUM,
 					pdata_off, rpinfo->rp_data, pdata_len);
 		} else {
-			char *pbuf = req->tc->pubuf ? req->tc->pubuf :
-								req->tc->pkbuf;
+			char *pbuf;
+			if (req->tc->pubuf)
+				pbuf = (__force char *) req->tc->pubuf;
+			else
+				pbuf = req->tc->pkbuf;
+
 			in = pack_sg_list(chan->sg, out+inp, VIRTQUEUE_NUM,
 					pbuf, req->tc->pbuf_size);
 		}
@@ -356,7 +381,7 @@ req_retry:
 				return err;
 
 			P9_DPRINTK(P9_DEBUG_TRANS, "9p:Retry virtio request\n");
-			goto req_retry;
+			goto req_retry_pinned;
 		} else {
 			spin_unlock_irqrestore(&chan->lock, flags);
 			P9_DPRINTK(P9_DEBUG_TRANS,
@@ -453,6 +478,8 @@ static int p9_virtio_probe(struct virtio_device *vdev)
 	}
 	init_waitqueue_head(chan->vc_wq);
 	chan->ring_bufs_avail = 1;
+	/* Ceiling limit to avoid denial of service attacks */
+	chan->p9_max_pages = nr_free_buffer_pages()/4;
 
 	mutex_lock(&virtio_9p_lock);
 	list_add_tail(&chan->chan_list, &virtio_chan_list);
diff --git a/net/9p/util.c b/net/9p/util.c
index e048701a72d2..da6af81e59d9 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -67,7 +67,7 @@ EXPORT_SYMBOL(p9_idpool_create);
 
 /**
  * p9_idpool_destroy - create a new per-connection id pool
- * @p: idpool to destory
+ * @p: idpool to destroy
  */
 
 void p9_idpool_destroy(struct p9_idpool *p)
@@ -92,7 +92,7 @@ int p9_idpool_get(struct p9_idpool *p)
 	unsigned long flags;
 
 retry:
-	if (idr_pre_get(&p->pool, GFP_KERNEL) == 0)
+	if (idr_pre_get(&p->pool, GFP_NOFS) == 0)
 		return 0;
 
 	spin_lock_irqsave(&p->lock, flags);
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 3d4f4b043406..956a5302002a 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1051,13 +1051,17 @@ static int atalk_release(struct socket *sock)
 {
 	struct sock *sk = sock->sk;
 
-	lock_sock(sk);
 	if (sk) {
+		sock_hold(sk);
+		lock_sock(sk);
+
 		sock_orphan(sk);
 		sock->sk = NULL;
 		atalk_destroy_socket(sk);
+
+		release_sock(sk);
+		sock_put(sk);
 	}
-	release_sock(sk);
 	return 0;
 }
 
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index fce2eae8d476..2252c2085dac 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -509,7 +509,7 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
 	write_lock_irq(&devs_lock);
 	net_dev = br2684_find_dev(&be.ifspec);
 	if (net_dev == NULL) {
-		pr_err("tried to attach to non-existant device\n");
+		pr_err("tried to attach to non-existent device\n");
 		err = -ENXIO;
 		goto error;
 	}
diff --git a/net/atm/common.c b/net/atm/common.c
index 1b9c52a02cd3..22b963d06a10 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -252,6 +252,7 @@ void atm_dev_release_vccs(struct atm_dev *dev)
 	}
 	write_unlock_irq(&vcc_sklist_lock);
 }
+EXPORT_SYMBOL(atm_dev_release_vccs);
 
 static int adjust_tp(struct atm_trafprm *tp, unsigned char aal)
 {
diff --git a/net/atm/lec.h b/net/atm/lec.h
index 9d14d196cc1d..dfc071966463 100644
--- a/net/atm/lec.h
+++ b/net/atm/lec.h
@@ -35,7 +35,7 @@ struct lecdatahdr_8025 {
  * Operations that LANE2 capable device can do. Two first functions
  * are used to make the device do things. See spec 3.1.3 and 3.1.4.
  *
- * The third function is intented for the MPOA component sitting on
+ * The third function is intended for the MPOA component sitting on
  * top of the LANE device. The MPOA component assigns it's own function
  * to (*associate_indicator)() and the LANE device will use that
  * function to tell about TLVs it sees floating through.
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 9ed26140a269..824e1f6e50f2 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -474,7 +474,7 @@ void interface_rx(struct net_device *soft_iface,
 		goto dropped;
 	skb->protocol = eth_type_trans(skb, soft_iface);
 
-	/* should not be neccesary anymore as we use skb_pull_rcsum()
+	/* should not be necessary anymore as we use skb_pull_rcsum()
 	 * TODO: please verify this and remove this TODO
 	 * -- Dec 21st 2009, Simon Wunderlich */
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index b372fb8bcdcf..c83f618282f7 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -186,6 +186,7 @@ static void hci_reset_req(struct hci_dev *hdev, unsigned long opt)
 	BT_DBG("%s %ld", hdev->name, opt);
 
 	/* Reset device */
+	set_bit(HCI_RESET, &hdev->flags);
 	hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
 }
 
@@ -213,8 +214,10 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
 	/* Mandatory initialization */
 
 	/* Reset */
-	if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks))
+	if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
+			set_bit(HCI_RESET, &hdev->flags);
 			hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
+	}
 
 	/* Read Local Supported Features */
 	hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
@@ -584,6 +587,9 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	hci_req_cancel(hdev, ENODEV);
 	hci_req_lock(hdev);
 
+	/* Stop timer, it might be running */
+	del_timer_sync(&hdev->cmd_timer);
+
 	if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
 		hci_req_unlock(hdev);
 		return 0;
@@ -623,7 +629,6 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	/* Drop last sent command */
 	if (hdev->sent_cmd) {
-		del_timer_sync(&hdev->cmd_timer);
 		kfree_skb(hdev->sent_cmd);
 		hdev->sent_cmd = NULL;
 	}
@@ -1074,6 +1079,7 @@ static void hci_cmd_timer(unsigned long arg)
 
 	BT_ERR("%s command tx timeout", hdev->name);
 	atomic_set(&hdev->cmd_cnt, 1);
+	clear_bit(HCI_RESET, &hdev->flags);
 	tasklet_schedule(&hdev->cmd_task);
 }
 
@@ -1877,7 +1883,7 @@ static void hci_tx_task(unsigned long arg)
 	read_unlock(&hci_task_lock);
 }
 
-/* ----- HCI RX task (incoming data proccessing) ----- */
+/* ----- HCI RX task (incoming data processing) ----- */
 
 /* ACL data packet */
 static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 3fbfa50c2bff..cebe7588469f 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -183,6 +183,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
+	clear_bit(HCI_RESET, &hdev->flags);
+
 	hci_req_complete(hdev, HCI_OP_RESET, status);
 }
 
@@ -1847,7 +1849,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (ev->opcode != HCI_OP_NOP)
 		del_timer(&hdev->cmd_timer);
 
-	if (ev->ncmd) {
+	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
 			tasklet_schedule(&hdev->cmd_task);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index c9f9cecca527..ca27f3a41536 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1116,7 +1116,9 @@ int l2cap_ertm_send(struct sock *sk)
 		bt_cb(skb)->tx_seq = pi->next_tx_seq;
 		pi->next_tx_seq = (pi->next_tx_seq + 1) % 64;
 
-		pi->unacked_frames++;
+		if (bt_cb(skb)->retries == 1)
+			pi->unacked_frames++;
+
 		pi->frames_sent++;
 
 		if (skb_queue_is_last(TX_QUEUE(sk), skb))
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index fc85e7ae33c7..299fe56a9668 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -679,7 +679,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
 
 		if (opt == BT_FLUSHABLE_OFF) {
 			struct l2cap_conn *conn = l2cap_pi(sk)->conn;
-			/* proceed futher only when we have l2cap_conn and
+			/* proceed further only when we have l2cap_conn and
 			   No Flush support in the LM */
 			if (!conn || !lmp_no_flush_capable(conn->hcon->hdev)) {
 				err = -EINVAL;
@@ -923,8 +923,9 @@ void __l2cap_sock_close(struct sock *sk, int reason)
 			rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
 			l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
 					L2CAP_CONN_RSP, sizeof(rsp), &rsp);
-		} else
-			l2cap_chan_del(sk, reason);
+		}
+
+		l2cap_chan_del(sk, reason);
 		break;
 
 	case BT_CONNECT:
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 0054c74e27b7..4476d8e3c0f2 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1230,6 +1230,8 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
 	if (!hdev)
 		return cmd_status(sk, index, mgmt_op, ENODEV);
 
+	hci_dev_lock_bh(hdev);
+
 	if (!test_bit(HCI_UP, &hdev->flags)) {
 		err = cmd_status(sk, index, mgmt_op, ENETDOWN);
 		goto failed;
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 88485cc74dc3..cc4d3c5ab1c6 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -169,7 +169,7 @@ void br_fdb_flush(struct net_bridge *br)
 	spin_unlock_bh(&br->hash_lock);
 }
 
-/* Flush all entries refering to a specific port.
+/* Flush all entries referring to a specific port.
  * if do_all is set also flush static entries
  */
 void br_fdb_delete_by_port(struct net_bridge *br,
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index dce8f0009a12..718b60366dfe 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -389,6 +389,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 {
 	struct net_bridge_port *p;
 	int err = 0;
+	bool changed_addr;
 
 	/* Don't allow bridging non-ethernet like devices */
 	if ((dev->flags & IFF_LOOPBACK) ||
@@ -446,7 +447,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 	list_add_rcu(&p->list, &br->port_list);
 
 	spin_lock_bh(&br->lock);
-	br_stp_recalculate_bridge_id(br);
+	changed_addr = br_stp_recalculate_bridge_id(br);
 	br_features_recompute(br);
 
 	if ((dev->flags & IFF_UP) && netif_carrier_ok(dev) &&
@@ -456,6 +457,9 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 
 	br_ifinfo_notify(RTM_NEWLINK, p);
 
+	if (changed_addr)
+		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+
 	dev_set_mtu(br->dev, br_min_mtu(br));
 
 	kobject_uevent(&p->kobj, KOBJ_ADD);
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index cb43312b846e..3d9fca0e3370 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -106,7 +106,7 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
 /*
  * Legacy ioctl's through SIOCDEVPRIVATE
  * This interface is deprecated because it was too difficult to
- * to do the translation for 32/64bit ioctl compatability.
+ * to do the translation for 32/64bit ioctl compatibility.
  */
 static int old_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 030a002ff8ee..59660c909a7c 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -445,9 +445,9 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
 	ip6h->payload_len = htons(8 + sizeof(*mldq));
 	ip6h->nexthdr = IPPROTO_HOPOPTS;
 	ip6h->hop_limit = 1;
+	ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
 	ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
 			   &ip6h->saddr);
-	ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
 	ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
 
 	hopopt = (u8 *)(ip6h + 1);
@@ -1475,7 +1475,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 	    ip6h->payload_len == 0)
 		return 0;
 
-	len = ntohs(ip6h->payload_len);
+	len = ntohs(ip6h->payload_len) + sizeof(*ip6h);
 	if (skb->len < len)
 		return -EINVAL;
 
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f97af5590ba1..f3bc322c5891 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -249,11 +249,9 @@ static int br_parse_ip_options(struct sk_buff *skb)
 		goto drop;
 	}
 
-	/* Zero out the CB buffer if no options present */
-	if (iph->ihl == 5) {
-		memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
+	memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
+	if (iph->ihl == 5)
 		return 0;
-	}
 
 	opt->optlen = iph->ihl*4 - sizeof(struct iphdr);
 	if (ip_options_compile(dev_net(dev), opt, skb))
@@ -739,6 +737,9 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
 		nf_bridge->mask |= BRNF_PKT_TYPE;
 	}
 
+	if (br_parse_ip_options(skb))
+		return NF_DROP;
+
 	/* The physdev module checks on this */
 	nf_bridge->mask |= BRNF_BRIDGED;
 	nf_bridge->physoutdev = skb->dev;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 19e2f46ed086..387013d33745 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -497,7 +497,7 @@ extern void br_stp_disable_bridge(struct net_bridge *br);
 extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val);
 extern void br_stp_enable_port(struct net_bridge_port *p);
 extern void br_stp_disable_port(struct net_bridge_port *p);
-extern void br_stp_recalculate_bridge_id(struct net_bridge *br);
+extern bool br_stp_recalculate_bridge_id(struct net_bridge *br);
 extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a);
 extern void br_stp_set_bridge_priority(struct net_bridge *br,
 				       u16 newprio);
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 79372d4a4055..9b61d09de9b9 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -204,7 +204,7 @@ void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *addr)
 static const unsigned short br_mac_zero_aligned[ETH_ALEN >> 1];
 
 /* called under bridge lock */
-void br_stp_recalculate_bridge_id(struct net_bridge *br)
+bool br_stp_recalculate_bridge_id(struct net_bridge *br)
 {
 	const unsigned char *br_mac_zero =
 			(const unsigned char *)br_mac_zero_aligned;
@@ -213,7 +213,7 @@ void br_stp_recalculate_bridge_id(struct net_bridge *br)
 
 	/* user has chosen a value so keep it */
 	if (br->flags & BR_SET_MAC_ADDR)
-		return;
+		return false;
 
 	list_for_each_entry(p, &br->port_list, list) {
 		if (addr == br_mac_zero ||
@@ -222,8 +222,11 @@ void br_stp_recalculate_bridge_id(struct net_bridge *br)
 
 	}
 
-	if (compare_ether_addr(br->bridge_id.addr, addr))
-		br_stp_change_bridge_id(br, addr);
+	if (compare_ether_addr(br->bridge_id.addr, addr) == 0)
+		return false;	/* no change */
+
+	br_stp_change_bridge_id(br, addr);
+	return true;
 }
 
 /* called under bridge lock */
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 8184c031d028..37a4034dfc29 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -852,7 +852,7 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr,
 	sock->state = SS_CONNECTING;
 	sk->sk_state = CAIF_CONNECTING;
 
-	/* Check priority value comming from socket */
+	/* Check priority value coming from socket */
 	/* if priority value is out of range it will be ajusted */
 	if (cf_sk->sk.sk_priority > CAIF_PRIO_MAX)
 		cf_sk->conn_req.priority = CAIF_PRIO_MAX;
diff --git a/net/caif/cfdgml.c b/net/caif/cfdgml.c
index 27dab26ad3b8..054fdb5aeb88 100644
--- a/net/caif/cfdgml.c
+++ b/net/caif/cfdgml.c
@@ -13,6 +13,7 @@
 #include <net/caif/cfsrvl.h>
 #include <net/caif/cfpkt.h>
 
+
 #define container_obj(layr) ((struct cfsrvl *) layr)
 
 #define DGM_CMD_BIT  0x80
@@ -83,6 +84,7 @@ static int cfdgml_receive(struct cflayer *layr, struct cfpkt *pkt)
 
 static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt)
 {
+	u8 packet_type;
 	u32 zero = 0;
 	struct caif_payload_info *info;
 	struct cfsrvl *service = container_obj(layr);
@@ -94,7 +96,9 @@ static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt)
 	if (cfpkt_getlen(pkt) > DGM_MTU)
 		return -EMSGSIZE;
 
-	cfpkt_add_head(pkt, &zero, 4);
+	cfpkt_add_head(pkt, &zero, 3);
+	packet_type = 0x08; /* B9 set - UNCLASSIFIED */
+	cfpkt_add_head(pkt, &packet_type, 1);
 
 	/* Add info for MUX-layer to route the packet out. */
 	info = cfpkt_info(pkt);
diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index 46f34b2e0478..24f1ffa74b06 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -244,9 +244,9 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
 				int phyid)
 {
 	struct cfmuxl *muxl = container_obj(layr);
-	struct list_head *node;
+	struct list_head *node, *next;
 	struct cflayer *layer;
-	list_for_each(node, &muxl->srvl_list) {
+	list_for_each_safe(node, next, &muxl->srvl_list) {
 		layer = list_entry(node, struct cflayer, node);
 		if (cfsrvl_phyid_match(layer, phyid))
 			layer->ctrlcmd(layer, ctrl, phyid);
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 702be5a2c956..733d66f1b05a 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -95,7 +95,7 @@ struct s_pstats   can_pstats;      /* receive list statistics */
  * af_can socket functions
  */
 
-static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	struct sock *sk = sock->sk;
 
@@ -108,6 +108,7 @@ static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return -ENOIOCTLCMD;
 	}
 }
+EXPORT_SYMBOL(can_ioctl);
 
 static void can_sock_destruct(struct sock *sk)
 {
@@ -698,13 +699,9 @@ int can_proto_register(struct can_proto *cp)
 		printk(KERN_ERR "can: protocol %d already registered\n",
 		       proto);
 		err = -EBUSY;
-	} else {
+	} else
 		proto_tab[proto] = cp;
 
-		/* use generic ioctl function if not defined by module */
-		if (!cp->ops->ioctl)
-			cp->ops->ioctl = can_ioctl;
-	}
 	spin_unlock(&proto_tab_lock);
 
 	if (err < 0)
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 092dc88a7c64..57b1aed79014 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -387,7 +387,7 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
 }
 
 /*
- * bcm_tx_timeout_handler - performes cyclic CAN frame transmissions
+ * bcm_tx_timeout_handler - performs cyclic CAN frame transmissions
  */
 static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer)
 {
@@ -1569,7 +1569,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock,
 	return size;
 }
 
-static struct proto_ops bcm_ops __read_mostly = {
+static const struct proto_ops bcm_ops = {
 	.family        = PF_CAN,
 	.release       = bcm_release,
 	.bind          = sock_no_bind,
@@ -1578,7 +1578,7 @@ static struct proto_ops bcm_ops __read_mostly = {
 	.accept        = sock_no_accept,
 	.getname       = sock_no_getname,
 	.poll          = datagram_poll,
-	.ioctl         = NULL,		/* use can_ioctl() from af_can.c */
+	.ioctl         = can_ioctl,	/* use can_ioctl() from af_can.c */
 	.listen        = sock_no_listen,
 	.shutdown      = sock_no_shutdown,
 	.setsockopt    = sock_no_setsockopt,
diff --git a/net/can/raw.c b/net/can/raw.c
index 883e9d74fddf..649acfa7c70a 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -742,7 +742,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock,
 	return size;
 }
 
-static struct proto_ops raw_ops __read_mostly = {
+static const struct proto_ops raw_ops = {
 	.family        = PF_CAN,
 	.release       = raw_release,
 	.bind          = raw_bind,
@@ -751,7 +751,7 @@ static struct proto_ops raw_ops __read_mostly = {
 	.accept        = sock_no_accept,
 	.getname       = raw_getname,
 	.poll          = datagram_poll,
-	.ioctl         = NULL,		/* use can_ioctl() from af_can.c */
+	.ioctl         = can_ioctl,	/* use can_ioctl() from af_can.c */
 	.listen        = sock_no_listen,
 	.shutdown      = sock_no_shutdown,
 	.setsockopt    = raw_setsockopt,
diff --git a/net/ceph/Kconfig b/net/ceph/Kconfig
index ad424049b0cf..be683f2d401f 100644
--- a/net/ceph/Kconfig
+++ b/net/ceph/Kconfig
@@ -4,6 +4,7 @@ config CEPH_LIB
 	select LIBCRC32C
 	select CRYPTO_AES
 	select CRYPTO
+	select KEYS
 	default n
 	help
 	  Choose Y or M here to include cephlib, which provides the
diff --git a/net/ceph/armor.c b/net/ceph/armor.c
index eb2a666b0be7..1fc1ee11dfa2 100644
--- a/net/ceph/armor.c
+++ b/net/ceph/armor.c
@@ -78,8 +78,10 @@ int ceph_unarmor(char *dst, const char *src, const char *end)
 	while (src < end) {
 		int a, b, c, d;
 
-		if (src < end && src[0] == '\n')
+		if (src[0] == '\n') {
 			src++;
+			continue;
+		}
 		if (src + 4 > end)
 			return -EINVAL;
 		a = decode_bits(src[0]);
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index 549c1f43e1d5..b4bf4ac090f1 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -35,12 +35,12 @@ static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
 /*
  * setup, teardown.
  */
-struct ceph_auth_client *ceph_auth_init(const char *name, const char *secret)
+struct ceph_auth_client *ceph_auth_init(const char *name, const struct ceph_crypto_key *key)
 {
 	struct ceph_auth_client *ac;
 	int ret;
 
-	dout("auth_init name '%s' secret '%s'\n", name, secret);
+	dout("auth_init name '%s'\n", name);
 
 	ret = -ENOMEM;
 	ac = kzalloc(sizeof(*ac), GFP_NOFS);
@@ -52,8 +52,8 @@ struct ceph_auth_client *ceph_auth_init(const char *name, const char *secret)
 		ac->name = name;
 	else
 		ac->name = CEPH_AUTH_NAME_DEFAULT;
-	dout("auth_init name %s secret %s\n", ac->name, secret);
-	ac->secret = secret;
+	dout("auth_init name %s\n", ac->name);
+	ac->key = key;
 	return ac;
 
 out:
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 7fd5dfcf6e18..1587dc6010c6 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -662,14 +662,16 @@ int ceph_x_init(struct ceph_auth_client *ac)
 		goto out;
 
 	ret = -EINVAL;
-	if (!ac->secret) {
+	if (!ac->key) {
 		pr_err("no secret set (for auth_x protocol)\n");
 		goto out_nomem;
 	}
 
-	ret = ceph_crypto_key_unarmor(&xi->secret, ac->secret);
-	if (ret)
+	ret = ceph_crypto_key_clone(&xi->secret, ac->key);
+	if (ret < 0) {
+		pr_err("cannot clone key: %d\n", ret);
 		goto out_nomem;
+	}
 
 	xi->starting = true;
 	xi->ticket_handlers = RB_ROOT;
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index f3e4a13fea0c..132963abc266 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -5,6 +5,8 @@
 #include <linux/fs.h>
 #include <linux/inet.h>
 #include <linux/in6.h>
+#include <linux/key.h>
+#include <keys/ceph-type.h>
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/parser.h>
@@ -20,6 +22,7 @@
 #include <linux/ceph/decode.h>
 #include <linux/ceph/mon_client.h>
 #include <linux/ceph/auth.h>
+#include "crypto.h"
 
 
 
@@ -62,6 +65,7 @@ const char *ceph_msg_type_name(int type)
 	case CEPH_MSG_OSD_MAP: return "osd_map";
 	case CEPH_MSG_OSD_OP: return "osd_op";
 	case CEPH_MSG_OSD_OPREPLY: return "osd_opreply";
+	case CEPH_MSG_WATCH_NOTIFY: return "watch_notify";
 	default: return "unknown";
 	}
 }
@@ -116,9 +120,29 @@ int ceph_compare_options(struct ceph_options *new_opt,
 	if (ret)
 		return ret;
 
-	ret = strcmp_null(opt1->secret, opt2->secret);
-	if (ret)
-		return ret;
+	if (opt1->key && !opt2->key)
+		return -1;
+	if (!opt1->key && opt2->key)
+		return 1;
+	if (opt1->key && opt2->key) {
+		if (opt1->key->type != opt2->key->type)
+			return -1;
+		if (opt1->key->created.tv_sec != opt2->key->created.tv_sec)
+			return -1;
+		if (opt1->key->created.tv_nsec != opt2->key->created.tv_nsec)
+			return -1;
+		if (opt1->key->len != opt2->key->len)
+			return -1;
+		if (opt1->key->key && !opt2->key->key)
+			return -1;
+		if (!opt1->key->key && opt2->key->key)
+			return 1;
+		if (opt1->key->key && opt2->key->key) {
+			ret = memcmp(opt1->key->key, opt2->key->key, opt1->key->len);
+			if (ret)
+				return ret;
+		}
+	}
 
 	/* any matching mon ip implies a match */
 	for (i = 0; i < opt1->num_mon; i++) {
@@ -175,6 +199,7 @@ enum {
 	Opt_fsid,
 	Opt_name,
 	Opt_secret,
+	Opt_key,
 	Opt_ip,
 	Opt_last_string,
 	/* string args above */
@@ -191,6 +216,7 @@ static match_table_t opt_tokens = {
 	{Opt_fsid, "fsid=%s"},
 	{Opt_name, "name=%s"},
 	{Opt_secret, "secret=%s"},
+	{Opt_key, "key=%s"},
 	{Opt_ip, "ip=%s"},
 	/* string args above */
 	{Opt_noshare, "noshare"},
@@ -202,11 +228,56 @@ void ceph_destroy_options(struct ceph_options *opt)
 {
 	dout("destroy_options %p\n", opt);
 	kfree(opt->name);
-	kfree(opt->secret);
+	if (opt->key) {
+		ceph_crypto_key_destroy(opt->key);
+		kfree(opt->key);
+	}
 	kfree(opt);
 }
 EXPORT_SYMBOL(ceph_destroy_options);
 
+/* get secret from key store */
+static int get_secret(struct ceph_crypto_key *dst, const char *name) {
+	struct key *ukey;
+	int key_err;
+	int err = 0;
+	struct ceph_crypto_key *ckey;
+
+	ukey = request_key(&key_type_ceph, name, NULL);
+	if (!ukey || IS_ERR(ukey)) {
+		/* request_key errors don't map nicely to mount(2)
+		   errors; don't even try, but still printk */
+		key_err = PTR_ERR(ukey);
+		switch (key_err) {
+		case -ENOKEY:
+			pr_warning("ceph: Mount failed due to key not found: %s\n", name);
+			break;
+		case -EKEYEXPIRED:
+			pr_warning("ceph: Mount failed due to expired key: %s\n", name);
+			break;
+		case -EKEYREVOKED:
+			pr_warning("ceph: Mount failed due to revoked key: %s\n", name);
+			break;
+		default:
+			pr_warning("ceph: Mount failed due to unknown key error"
+			       " %d: %s\n", key_err, name);
+		}
+		err = -EPERM;
+		goto out;
+	}
+
+	ckey = ukey->payload.data;
+	err = ceph_crypto_key_clone(dst, ckey);
+	if (err)
+		goto out_key;
+	/* pass through, err is 0 */
+
+out_key:
+	key_put(ukey);
+out:
+	return err;
+}
+
 int ceph_parse_options(struct ceph_options **popt, char *options,
 		       const char *dev_name, const char *dev_name_end,
 		       int (*parse_extra_token)(char *c, void *private),
@@ -294,9 +365,24 @@ int ceph_parse_options(struct ceph_options **popt, char *options,
 					      GFP_KERNEL);
 			break;
 		case Opt_secret:
-			opt->secret = kstrndup(argstr[0].from,
-						argstr[0].to-argstr[0].from,
-						GFP_KERNEL);
+		        opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
+			if (!opt->key) {
+				err = -ENOMEM;
+				goto out;
+			}
+			err = ceph_crypto_key_unarmor(opt->key, argstr[0].from);
+			if (err < 0)
+				goto out;
+			break;
+		case Opt_key:
+		        opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
+			if (!opt->key) {
+				err = -ENOMEM;
+				goto out;
+			}
+			err = get_secret(opt->key, argstr[0].from);
+			if (err < 0)
+				goto out;
 			break;
 
 			/* misc */
@@ -393,8 +479,8 @@ void ceph_destroy_client(struct ceph_client *client)
 	ceph_osdc_stop(&client->osdc);
 
 	/*
-	 * make sure mds and osd connections close out before destroying
-	 * the auth module, which is needed to free those connections'
+	 * make sure osd connections close out before destroying the
+	 * auth module, which is needed to free those connections'
 	 * ceph_authorizers.
 	 */
 	ceph_msgr_flush();
@@ -495,10 +581,14 @@ static int __init init_ceph_lib(void)
 	if (ret < 0)
 		goto out;
 
-	ret = ceph_msgr_init();
+	ret = ceph_crypto_init();
 	if (ret < 0)
 		goto out_debugfs;
 
+	ret = ceph_msgr_init();
+	if (ret < 0)
+		goto out_crypto;
+
 	pr_info("loaded (mon/osd proto %d/%d, osdmap %d/%d %d/%d)\n",
 		CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL,
 		CEPH_OSDMAP_VERSION, CEPH_OSDMAP_VERSION_EXT,
@@ -506,6 +596,8 @@ static int __init init_ceph_lib(void)
 
 	return 0;
 
+out_crypto:
+	ceph_crypto_shutdown();
 out_debugfs:
 	ceph_debugfs_cleanup();
 out:
@@ -516,6 +608,7 @@ static void __exit exit_ceph_lib(void)
 {
 	dout("exit_ceph_lib\n");
 	ceph_msgr_exit();
+	ceph_crypto_shutdown();
 	ceph_debugfs_cleanup();
 }
 
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 7b505b0c983f..5a8009c9e0cd 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -5,10 +5,23 @@
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
 #include <crypto/hash.h>
+#include <linux/key-type.h>
 
+#include <keys/ceph-type.h>
 #include <linux/ceph/decode.h>
 #include "crypto.h"
 
+int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
+			  const struct ceph_crypto_key *src)
+{
+	memcpy(dst, src, sizeof(struct ceph_crypto_key));
+	dst->key = kmalloc(src->len, GFP_NOFS);
+	if (!dst->key)
+		return -ENOMEM;
+	memcpy(dst->key, src->key, src->len);
+	return 0;
+}
+
 int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end)
 {
 	if (*p + sizeof(u16) + sizeof(key->created) +
@@ -410,3 +423,63 @@ int ceph_encrypt2(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
 		return -EINVAL;
 	}
 }
+
+int ceph_key_instantiate(struct key *key, const void *data, size_t datalen)
+{
+	struct ceph_crypto_key *ckey;
+	int ret;
+	void *p;
+
+	ret = -EINVAL;
+	if (datalen <= 0 || datalen > 32767 || !data)
+		goto err;
+
+	ret = key_payload_reserve(key, datalen);
+	if (ret < 0)
+		goto err;
+
+	ret = -ENOMEM;
+	ckey = kmalloc(sizeof(*ckey), GFP_KERNEL);
+	if (!ckey)
+		goto err;
+
+	/* TODO ceph_crypto_key_decode should really take const input */
+	p = (void*)data;
+	ret = ceph_crypto_key_decode(ckey, &p, (char*)data+datalen);
+	if (ret < 0)
+		goto err_ckey;
+
+	key->payload.data = ckey;
+	return 0;
+
+err_ckey:
+	kfree(ckey);
+err:
+	return ret;
+}
+
+int ceph_key_match(const struct key *key, const void *description)
+{
+	return strcmp(key->description, description) == 0;
+}
+
+void ceph_key_destroy(struct key *key) {
+	struct ceph_crypto_key *ckey = key->payload.data;
+
+	ceph_crypto_key_destroy(ckey);
+}
+
+struct key_type key_type_ceph = {
+	.name		= "ceph",
+	.instantiate	= ceph_key_instantiate,
+	.match		= ceph_key_match,
+	.destroy	= ceph_key_destroy,
+};
+
+int ceph_crypto_init(void) {
+	return register_key_type(&key_type_ceph);
+}
+
+void ceph_crypto_shutdown(void) {
+	unregister_key_type(&key_type_ceph);
+}
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index f9eccace592b..1919d1550d75 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -19,6 +19,8 @@ static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
 	kfree(key->key);
 }
 
+extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
+				 const struct ceph_crypto_key *src);
 extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
 				  void **p, void *end);
 extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
@@ -40,6 +42,8 @@ extern int ceph_encrypt2(struct ceph_crypto_key *secret,
 			 void *dst, size_t *dst_len,
 			 const void *src1, size_t src1_len,
 			 const void *src2, size_t src2_len);
+extern int ceph_crypto_init(void);
+extern void ceph_crypto_shutdown(void);
 
 /* armor.c */
 extern int ceph_armor(char *dst, const char *src, const char *end);
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 8a079399174a..cbe31fa45508 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -759,7 +759,7 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
 
 	/* authentication */
 	monc->auth = ceph_auth_init(cl->options->name,
-				    cl->options->secret);
+				    cl->options->key);
 	if (IS_ERR(monc->auth))
 		return PTR_ERR(monc->auth);
 	monc->auth->want_keys =
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 3e20a122ffa2..5a80f41c0cba 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -22,10 +22,15 @@
 #define OSD_OPREPLY_FRONT_LEN	512
 
 static const struct ceph_connection_operations osd_con_ops;
-static int __kick_requests(struct ceph_osd_client *osdc,
-			  struct ceph_osd *kickosd);
 
-static void kick_requests(struct ceph_osd_client *osdc, struct ceph_osd *osd);
+static void send_queued(struct ceph_osd_client *osdc);
+static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd);
+static void __register_request(struct ceph_osd_client *osdc,
+			       struct ceph_osd_request *req);
+static void __unregister_linger_request(struct ceph_osd_client *osdc,
+					struct ceph_osd_request *req);
+static int __send_request(struct ceph_osd_client *osdc,
+			  struct ceph_osd_request *req);
 
 static int op_needs_trail(int op)
 {
@@ -34,6 +39,7 @@ static int op_needs_trail(int op)
 	case CEPH_OSD_OP_SETXATTR:
 	case CEPH_OSD_OP_CMPXATTR:
 	case CEPH_OSD_OP_CALL:
+	case CEPH_OSD_OP_NOTIFY:
 		return 1;
 	default:
 		return 0;
@@ -209,6 +215,8 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
 	init_completion(&req->r_completion);
 	init_completion(&req->r_safe_completion);
 	INIT_LIST_HEAD(&req->r_unsafe_item);
+	INIT_LIST_HEAD(&req->r_linger_item);
+	INIT_LIST_HEAD(&req->r_linger_osd);
 	req->r_flags = flags;
 
 	WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0);
@@ -315,6 +323,24 @@ static void osd_req_encode_op(struct ceph_osd_request *req,
 		break;
 	case CEPH_OSD_OP_STARTSYNC:
 		break;
+	case CEPH_OSD_OP_NOTIFY:
+		{
+			__le32 prot_ver = cpu_to_le32(src->watch.prot_ver);
+			__le32 timeout = cpu_to_le32(src->watch.timeout);
+
+			BUG_ON(!req->r_trail);
+
+			ceph_pagelist_append(req->r_trail,
+						&prot_ver, sizeof(prot_ver));
+			ceph_pagelist_append(req->r_trail,
+						&timeout, sizeof(timeout));
+		}
+	case CEPH_OSD_OP_NOTIFY_ACK:
+	case CEPH_OSD_OP_WATCH:
+		dst->watch.cookie = cpu_to_le64(src->watch.cookie);
+		dst->watch.ver = cpu_to_le64(src->watch.ver);
+		dst->watch.flag = src->watch.flag;
+		break;
 	default:
 		pr_err("unrecognized osd opcode %d\n", dst->op);
 		WARN_ON(1);
@@ -529,6 +555,51 @@ __lookup_request_ge(struct ceph_osd_client *osdc,
 	return NULL;
 }
 
+/*
+ * Resubmit requests pending on the given osd.
+ */
+static void __kick_osd_requests(struct ceph_osd_client *osdc,
+				struct ceph_osd *osd)
+{
+	struct ceph_osd_request *req, *nreq;
+	int err;
+
+	dout("__kick_osd_requests osd%d\n", osd->o_osd);
+	err = __reset_osd(osdc, osd);
+	if (err == -EAGAIN)
+		return;
+
+	list_for_each_entry(req, &osd->o_requests, r_osd_item) {
+		list_move(&req->r_req_lru_item, &osdc->req_unsent);
+		dout("requeued %p tid %llu osd%d\n", req, req->r_tid,
+		     osd->o_osd);
+		if (!req->r_linger)
+			req->r_flags |= CEPH_OSD_FLAG_RETRY;
+	}
+
+	list_for_each_entry_safe(req, nreq, &osd->o_linger_requests,
+				 r_linger_osd) {
+		/*
+		 * reregister request prior to unregistering linger so
+		 * that r_osd is preserved.
+		 */
+		BUG_ON(!list_empty(&req->r_req_lru_item));
+		__register_request(osdc, req);
+		list_add(&req->r_req_lru_item, &osdc->req_unsent);
+		list_add(&req->r_osd_item, &req->r_osd->o_requests);
+		__unregister_linger_request(osdc, req);
+		dout("requeued lingering %p tid %llu osd%d\n", req, req->r_tid,
+		     osd->o_osd);
+	}
+}
+
+static void kick_osd_requests(struct ceph_osd_client *osdc,
+			      struct ceph_osd *kickosd)
+{
+	mutex_lock(&osdc->request_mutex);
+	__kick_osd_requests(osdc, kickosd);
+	mutex_unlock(&osdc->request_mutex);
+}
 
 /*
  * If the osd connection drops, we need to resubmit all requests.
@@ -543,7 +614,8 @@ static void osd_reset(struct ceph_connection *con)
 	dout("osd_reset osd%d\n", osd->o_osd);
 	osdc = osd->o_osdc;
 	down_read(&osdc->map_sem);
-	kick_requests(osdc, osd);
+	kick_osd_requests(osdc, osd);
+	send_queued(osdc);
 	up_read(&osdc->map_sem);
 }
 
@@ -561,6 +633,7 @@ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc)
 	atomic_set(&osd->o_ref, 1);
 	osd->o_osdc = osdc;
 	INIT_LIST_HEAD(&osd->o_requests);
+	INIT_LIST_HEAD(&osd->o_linger_requests);
 	INIT_LIST_HEAD(&osd->o_osd_lru);
 	osd->o_incarnation = 1;
 
@@ -650,7 +723,8 @@ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
 	int ret = 0;
 
 	dout("__reset_osd %p osd%d\n", osd, osd->o_osd);
-	if (list_empty(&osd->o_requests)) {
+	if (list_empty(&osd->o_requests) &&
+	    list_empty(&osd->o_linger_requests)) {
 		__remove_osd(osdc, osd);
 	} else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd],
 			  &osd->o_con.peer_addr,
@@ -723,15 +797,14 @@ static void __cancel_osd_timeout(struct ceph_osd_client *osdc)
  * Register request, assign tid.  If this is the first request, set up
  * the timeout event.
  */
-static void register_request(struct ceph_osd_client *osdc,
-			     struct ceph_osd_request *req)
+static void __register_request(struct ceph_osd_client *osdc,
+			       struct ceph_osd_request *req)
 {
-	mutex_lock(&osdc->request_mutex);
 	req->r_tid = ++osdc->last_tid;
 	req->r_request->hdr.tid = cpu_to_le64(req->r_tid);
 	INIT_LIST_HEAD(&req->r_req_lru_item);
 
-	dout("register_request %p tid %lld\n", req, req->r_tid);
+	dout("__register_request %p tid %lld\n", req, req->r_tid);
 	__insert_request(osdc, req);
 	ceph_osdc_get_request(req);
 	osdc->num_requests++;
@@ -740,6 +813,13 @@ static void register_request(struct ceph_osd_client *osdc,
 		dout(" first request, scheduling timeout\n");
 		__schedule_osd_timeout(osdc);
 	}
+}
+
+static void register_request(struct ceph_osd_client *osdc,
+			     struct ceph_osd_request *req)
+{
+	mutex_lock(&osdc->request_mutex);
+	__register_request(osdc, req);
 	mutex_unlock(&osdc->request_mutex);
 }
 
@@ -758,9 +838,13 @@ static void __unregister_request(struct ceph_osd_client *osdc,
 		ceph_con_revoke(&req->r_osd->o_con, req->r_request);
 
 		list_del_init(&req->r_osd_item);
-		if (list_empty(&req->r_osd->o_requests))
+		if (list_empty(&req->r_osd->o_requests) &&
+		    list_empty(&req->r_osd->o_linger_requests)) {
+			dout("moving osd to %p lru\n", req->r_osd);
 			__move_osd_to_lru(osdc, req->r_osd);
-		req->r_osd = NULL;
+		}
+		if (list_empty(&req->r_linger_item))
+			req->r_osd = NULL;
 	}
 
 	ceph_osdc_put_request(req);
@@ -781,20 +865,73 @@ static void __cancel_request(struct ceph_osd_request *req)
 		ceph_con_revoke(&req->r_osd->o_con, req->r_request);
 		req->r_sent = 0;
 	}
-	list_del_init(&req->r_req_lru_item);
 }
 
+static void __register_linger_request(struct ceph_osd_client *osdc,
+				    struct ceph_osd_request *req)
+{
+	dout("__register_linger_request %p\n", req);
+	list_add_tail(&req->r_linger_item, &osdc->req_linger);
+	list_add_tail(&req->r_linger_osd, &req->r_osd->o_linger_requests);
+}
+
+static void __unregister_linger_request(struct ceph_osd_client *osdc,
+					struct ceph_osd_request *req)
+{
+	dout("__unregister_linger_request %p\n", req);
+	if (req->r_osd) {
+		list_del_init(&req->r_linger_item);
+		list_del_init(&req->r_linger_osd);
+
+		if (list_empty(&req->r_osd->o_requests) &&
+		    list_empty(&req->r_osd->o_linger_requests)) {
+			dout("moving osd to %p lru\n", req->r_osd);
+			__move_osd_to_lru(osdc, req->r_osd);
+		}
+		if (list_empty(&req->r_osd_item))
+			req->r_osd = NULL;
+	}
+}
+
+void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc,
+					 struct ceph_osd_request *req)
+{
+	mutex_lock(&osdc->request_mutex);
+	if (req->r_linger) {
+		__unregister_linger_request(osdc, req);
+		ceph_osdc_put_request(req);
+	}
+	mutex_unlock(&osdc->request_mutex);
+}
+EXPORT_SYMBOL(ceph_osdc_unregister_linger_request);
+
+void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc,
+				  struct ceph_osd_request *req)
+{
+	if (!req->r_linger) {
+		dout("set_request_linger %p\n", req);
+		req->r_linger = 1;
+		/*
+		 * caller is now responsible for calling
+		 * unregister_linger_request
+		 */
+		ceph_osdc_get_request(req);
+	}
+}
+EXPORT_SYMBOL(ceph_osdc_set_request_linger);
+
 /*
  * Pick an osd (the first 'up' osd in the pg), allocate the osd struct
  * (as needed), and set the request r_osd appropriately.  If there is
- * no up osd, set r_osd to NULL.
+ * no up osd, set r_osd to NULL.  Move the request to the appropriate list
+ * (unsent, homeless) or leave on in-flight lru.
  *
  * Return 0 if unchanged, 1 if changed, or negative on error.
  *
  * Caller should hold map_sem for read and request_mutex.
  */
-static int __map_osds(struct ceph_osd_client *osdc,
-		      struct ceph_osd_request *req)
+static int __map_request(struct ceph_osd_client *osdc,
+			 struct ceph_osd_request *req)
 {
 	struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base;
 	struct ceph_pg pgid;
@@ -802,11 +939,13 @@ static int __map_osds(struct ceph_osd_client *osdc,
 	int o = -1, num = 0;
 	int err;
 
-	dout("map_osds %p tid %lld\n", req, req->r_tid);
+	dout("map_request %p tid %lld\n", req, req->r_tid);
 	err = ceph_calc_object_layout(&reqhead->layout, req->r_oid,
 				      &req->r_file_layout, osdc->osdmap);
-	if (err)
+	if (err) {
+		list_move(&req->r_req_lru_item, &osdc->req_notarget);
 		return err;
+	}
 	pgid = reqhead->layout.ol_pgid;
 	req->r_pgid = pgid;
 
@@ -823,7 +962,7 @@ static int __map_osds(struct ceph_osd_client *osdc,
 	    (req->r_osd == NULL && o == -1))
 		return 0;  /* no change */
 
-	dout("map_osds tid %llu pgid %d.%x osd%d (was osd%d)\n",
+	dout("map_request tid %llu pgid %d.%x osd%d (was osd%d)\n",
 	     req->r_tid, le32_to_cpu(pgid.pool), le16_to_cpu(pgid.ps), o,
 	     req->r_osd ? req->r_osd->o_osd : -1);
 
@@ -841,10 +980,12 @@ static int __map_osds(struct ceph_osd_client *osdc,
 	if (!req->r_osd && o >= 0) {
 		err = -ENOMEM;
 		req->r_osd = create_osd(osdc);
-		if (!req->r_osd)
+		if (!req->r_osd) {
+			list_move(&req->r_req_lru_item, &osdc->req_notarget);
 			goto out;
+		}
 
-		dout("map_osds osd %p is osd%d\n", req->r_osd, o);
+		dout("map_request osd %p is osd%d\n", req->r_osd, o);
 		req->r_osd->o_osd = o;
 		req->r_osd->o_con.peer_name.num = cpu_to_le64(o);
 		__insert_osd(osdc, req->r_osd);
@@ -855,6 +996,9 @@ static int __map_osds(struct ceph_osd_client *osdc,
 	if (req->r_osd) {
 		__remove_osd_from_lru(req->r_osd);
 		list_add(&req->r_osd_item, &req->r_osd->o_requests);
+		list_move(&req->r_req_lru_item, &osdc->req_unsent);
+	} else {
+		list_move(&req->r_req_lru_item, &osdc->req_notarget);
 	}
 	err = 1;   /* osd or pg changed */
 
@@ -869,16 +1013,6 @@ static int __send_request(struct ceph_osd_client *osdc,
 			  struct ceph_osd_request *req)
 {
 	struct ceph_osd_request_head *reqhead;
-	int err;
-
-	err = __map_osds(osdc, req);
-	if (err < 0)
-		return err;
-	if (req->r_osd == NULL) {
-		dout("send_request %p no up osds in pg\n", req);
-		ceph_monc_request_next_osdmap(&osdc->client->monc);
-		return 0;
-	}
 
 	dout("send_request %p tid %llu to osd%d flags %d\n",
 	     req, req->r_tid, req->r_osd->o_osd, req->r_flags);
@@ -898,6 +1032,21 @@ static int __send_request(struct ceph_osd_client *osdc,
 }
 
 /*
+ * Send any requests in the queue (req_unsent).
+ */
+static void send_queued(struct ceph_osd_client *osdc)
+{
+	struct ceph_osd_request *req, *tmp;
+
+	dout("send_queued\n");
+	mutex_lock(&osdc->request_mutex);
+	list_for_each_entry_safe(req, tmp, &osdc->req_unsent, r_req_lru_item) {
+		__send_request(osdc, req);
+	}
+	mutex_unlock(&osdc->request_mutex);
+}
+
+/*
  * Timeout callback, called every N seconds when 1 or more osd
  * requests has been active for more than N seconds.  When this
  * happens, we ping all OSDs with requests who have timed out to
@@ -916,30 +1065,13 @@ static void handle_timeout(struct work_struct *work)
 	unsigned long keepalive =
 		osdc->client->options->osd_keepalive_timeout * HZ;
 	unsigned long last_stamp = 0;
-	struct rb_node *p;
 	struct list_head slow_osds;
-
 	dout("timeout\n");
 	down_read(&osdc->map_sem);
 
 	ceph_monc_request_next_osdmap(&osdc->client->monc);
 
 	mutex_lock(&osdc->request_mutex);
-	for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
-		req = rb_entry(p, struct ceph_osd_request, r_node);
-
-		if (req->r_resend) {
-			int err;
-
-			dout("osdc resending prev failed %lld\n", req->r_tid);
-			err = __send_request(osdc, req);
-			if (err)
-				dout("osdc failed again on %lld\n", req->r_tid);
-			else
-				req->r_resend = false;
-			continue;
-		}
-	}
 
 	/*
 	 * reset osds that appear to be _really_ unresponsive.  this
@@ -963,7 +1095,7 @@ static void handle_timeout(struct work_struct *work)
 		BUG_ON(!osd);
 		pr_warning(" tid %llu timed out on osd%d, will reset osd\n",
 			   req->r_tid, osd->o_osd);
-		__kick_requests(osdc, osd);
+		__kick_osd_requests(osdc, osd);
 	}
 
 	/*
@@ -991,7 +1123,7 @@ static void handle_timeout(struct work_struct *work)
 
 	__schedule_osd_timeout(osdc);
 	mutex_unlock(&osdc->request_mutex);
-
+	send_queued(osdc);
 	up_read(&osdc->map_sem);
 }
 
@@ -1035,7 +1167,6 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
 	    numops * sizeof(struct ceph_osd_op))
 		goto bad;
 	dout("handle_reply %p tid %llu result %d\n", msg, tid, (int)result);
-
 	/* lookup */
 	mutex_lock(&osdc->request_mutex);
 	req = __lookup_request(osdc, tid);
@@ -1079,6 +1210,9 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
 
 	dout("handle_reply tid %llu flags %d\n", tid, flags);
 
+	if (req->r_linger && (flags & CEPH_OSD_FLAG_ONDISK))
+		__register_linger_request(osdc, req);
+
 	/* either this is a read, or we got the safe response */
 	if (result < 0 ||
 	    (flags & CEPH_OSD_FLAG_ONDISK) ||
@@ -1099,6 +1233,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
 	}
 
 done:
+	dout("req=%p req->r_linger=%d\n", req, req->r_linger);
 	ceph_osdc_put_request(req);
 	return;
 
@@ -1109,108 +1244,83 @@ bad:
 	ceph_msg_dump(msg);
 }
 
-
-static int __kick_requests(struct ceph_osd_client *osdc,
-			  struct ceph_osd *kickosd)
+static void reset_changed_osds(struct ceph_osd_client *osdc)
 {
-	struct ceph_osd_request *req;
 	struct rb_node *p, *n;
-	int needmap = 0;
-	int err;
 
-	dout("kick_requests osd%d\n", kickosd ? kickosd->o_osd : -1);
-	if (kickosd) {
-		err = __reset_osd(osdc, kickosd);
-		if (err == -EAGAIN)
-			return 1;
-	} else {
-		for (p = rb_first(&osdc->osds); p; p = n) {
-			struct ceph_osd *osd =
-				rb_entry(p, struct ceph_osd, o_node);
-
-			n = rb_next(p);
-			if (!ceph_osd_is_up(osdc->osdmap, osd->o_osd) ||
-			    memcmp(&osd->o_con.peer_addr,
-				   ceph_osd_addr(osdc->osdmap,
-						 osd->o_osd),
-				   sizeof(struct ceph_entity_addr)) != 0)
-				__reset_osd(osdc, osd);
-		}
+	for (p = rb_first(&osdc->osds); p; p = n) {
+		struct ceph_osd *osd = rb_entry(p, struct ceph_osd, o_node);
+
+		n = rb_next(p);
+		if (!ceph_osd_is_up(osdc->osdmap, osd->o_osd) ||
+		    memcmp(&osd->o_con.peer_addr,
+			   ceph_osd_addr(osdc->osdmap,
+					 osd->o_osd),
+			   sizeof(struct ceph_entity_addr)) != 0)
+			__reset_osd(osdc, osd);
 	}
+}
+
+/*
+ * Requeue requests whose mapping to an OSD has changed.  If requests map to
+ * no osd, request a new map.
+ *
+ * Caller should hold map_sem for read and request_mutex.
+ */
+static void kick_requests(struct ceph_osd_client *osdc)
+{
+	struct ceph_osd_request *req, *nreq;
+	struct rb_node *p;
+	int needmap = 0;
+	int err;
 
+	dout("kick_requests\n");
+	mutex_lock(&osdc->request_mutex);
 	for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
 		req = rb_entry(p, struct ceph_osd_request, r_node);
-
-		if (req->r_resend) {
-			dout(" r_resend set on tid %llu\n", req->r_tid);
-			__cancel_request(req);
-			goto kick;
-		}
-		if (req->r_osd && kickosd == req->r_osd) {
-			__cancel_request(req);
-			goto kick;
+		err = __map_request(osdc, req);
+		if (err < 0)
+			continue;  /* error */
+		if (req->r_osd == NULL) {
+			dout("%p tid %llu maps to no osd\n", req, req->r_tid);
+			needmap++;  /* request a newer map */
+		} else if (err > 0) {
+			dout("%p tid %llu requeued on osd%d\n", req, req->r_tid,
+			     req->r_osd ? req->r_osd->o_osd : -1);
+			if (!req->r_linger)
+				req->r_flags |= CEPH_OSD_FLAG_RETRY;
 		}
+	}
+
+	list_for_each_entry_safe(req, nreq, &osdc->req_linger,
+				 r_linger_item) {
+		dout("linger req=%p req->r_osd=%p\n", req, req->r_osd);
 
-		err = __map_osds(osdc, req);
+		err = __map_request(osdc, req);
 		if (err == 0)
-			continue;  /* no change */
-		if (err < 0) {
-			/*
-			 * FIXME: really, we should set the request
-			 * error and fail if this isn't a 'nofail'
-			 * request, but that's a fair bit more
-			 * complicated to do.  So retry!
-			 */
-			dout(" setting r_resend on %llu\n", req->r_tid);
-			req->r_resend = true;
-			continue;
-		}
+			continue;  /* no change and no osd was specified */
+		if (err < 0)
+			continue;  /* hrm! */
 		if (req->r_osd == NULL) {
 			dout("tid %llu maps to no valid osd\n", req->r_tid);
 			needmap++;  /* request a newer map */
 			continue;
 		}
 
-kick:
-		dout("kicking %p tid %llu osd%d\n", req, req->r_tid,
+		dout("kicking lingering %p tid %llu osd%d\n", req, req->r_tid,
 		     req->r_osd ? req->r_osd->o_osd : -1);
-		req->r_flags |= CEPH_OSD_FLAG_RETRY;
-		err = __send_request(osdc, req);
-		if (err) {
-			dout(" setting r_resend on %llu\n", req->r_tid);
-			req->r_resend = true;
-		}
+		__unregister_linger_request(osdc, req);
+		__register_request(osdc, req);
 	}
-
-	return needmap;
-}
-
-/*
- * Resubmit osd requests whose osd or osd address has changed.  Request
- * a new osd map if osds are down, or we are otherwise unable to determine
- * how to direct a request.
- *
- * Close connections to down osds.
- *
- * If @who is specified, resubmit requests for that specific osd.
- *
- * Caller should hold map_sem for read and request_mutex.
- */
-static void kick_requests(struct ceph_osd_client *osdc,
-			  struct ceph_osd *kickosd)
-{
-	int needmap;
-
-	mutex_lock(&osdc->request_mutex);
-	needmap = __kick_requests(osdc, kickosd);
 	mutex_unlock(&osdc->request_mutex);
 
 	if (needmap) {
 		dout("%d requests for down osds, need new map\n", needmap);
 		ceph_monc_request_next_osdmap(&osdc->client->monc);
 	}
-
 }
+
+
 /*
  * Process updated osd map.
  *
@@ -1263,6 +1373,8 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
 				ceph_osdmap_destroy(osdc->osdmap);
 				osdc->osdmap = newmap;
 			}
+			kick_requests(osdc);
+			reset_changed_osds(osdc);
 		} else {
 			dout("ignoring incremental map %u len %d\n",
 			     epoch, maplen);
@@ -1300,6 +1412,7 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
 			osdc->osdmap = newmap;
 			if (oldmap)
 				ceph_osdmap_destroy(oldmap);
+			kick_requests(osdc);
 		}
 		p += maplen;
 		nr_maps--;
@@ -1308,8 +1421,7 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
 done:
 	downgrade_write(&osdc->map_sem);
 	ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch);
-	if (newmap)
-		kick_requests(osdc, NULL);
+	send_queued(osdc);
 	up_read(&osdc->map_sem);
 	wake_up_all(&osdc->client->auth_wq);
 	return;
@@ -1322,6 +1434,223 @@ bad:
 }
 
 /*
+ * watch/notify callback event infrastructure
+ *
+ * These callbacks are used both for watch and notify operations.
+ */
+static void __release_event(struct kref *kref)
+{
+	struct ceph_osd_event *event =
+		container_of(kref, struct ceph_osd_event, kref);
+
+	dout("__release_event %p\n", event);
+	kfree(event);
+}
+
+static void get_event(struct ceph_osd_event *event)
+{
+	kref_get(&event->kref);
+}
+
+void ceph_osdc_put_event(struct ceph_osd_event *event)
+{
+	kref_put(&event->kref, __release_event);
+}
+EXPORT_SYMBOL(ceph_osdc_put_event);
+
+static void __insert_event(struct ceph_osd_client *osdc,
+			     struct ceph_osd_event *new)
+{
+	struct rb_node **p = &osdc->event_tree.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_osd_event *event = NULL;
+
+	while (*p) {
+		parent = *p;
+		event = rb_entry(parent, struct ceph_osd_event, node);
+		if (new->cookie < event->cookie)
+			p = &(*p)->rb_left;
+		else if (new->cookie > event->cookie)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->node, parent, p);
+	rb_insert_color(&new->node, &osdc->event_tree);
+}
+
+static struct ceph_osd_event *__find_event(struct ceph_osd_client *osdc,
+					        u64 cookie)
+{
+	struct rb_node **p = &osdc->event_tree.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_osd_event *event = NULL;
+
+	while (*p) {
+		parent = *p;
+		event = rb_entry(parent, struct ceph_osd_event, node);
+		if (cookie < event->cookie)
+			p = &(*p)->rb_left;
+		else if (cookie > event->cookie)
+			p = &(*p)->rb_right;
+		else
+			return event;
+	}
+	return NULL;
+}
+
+static void __remove_event(struct ceph_osd_event *event)
+{
+	struct ceph_osd_client *osdc = event->osdc;
+
+	if (!RB_EMPTY_NODE(&event->node)) {
+		dout("__remove_event removed %p\n", event);
+		rb_erase(&event->node, &osdc->event_tree);
+		ceph_osdc_put_event(event);
+	} else {
+		dout("__remove_event didn't remove %p\n", event);
+	}
+}
+
+int ceph_osdc_create_event(struct ceph_osd_client *osdc,
+			   void (*event_cb)(u64, u64, u8, void *),
+			   int one_shot, void *data,
+			   struct ceph_osd_event **pevent)
+{
+	struct ceph_osd_event *event;
+
+	event = kmalloc(sizeof(*event), GFP_NOIO);
+	if (!event)
+		return -ENOMEM;
+
+	dout("create_event %p\n", event);
+	event->cb = event_cb;
+	event->one_shot = one_shot;
+	event->data = data;
+	event->osdc = osdc;
+	INIT_LIST_HEAD(&event->osd_node);
+	kref_init(&event->kref);   /* one ref for us */
+	kref_get(&event->kref);    /* one ref for the caller */
+	init_completion(&event->completion);
+
+	spin_lock(&osdc->event_lock);
+	event->cookie = ++osdc->event_count;
+	__insert_event(osdc, event);
+	spin_unlock(&osdc->event_lock);
+
+	*pevent = event;
+	return 0;
+}
+EXPORT_SYMBOL(ceph_osdc_create_event);
+
+void ceph_osdc_cancel_event(struct ceph_osd_event *event)
+{
+	struct ceph_osd_client *osdc = event->osdc;
+
+	dout("cancel_event %p\n", event);
+	spin_lock(&osdc->event_lock);
+	__remove_event(event);
+	spin_unlock(&osdc->event_lock);
+	ceph_osdc_put_event(event); /* caller's */
+}
+EXPORT_SYMBOL(ceph_osdc_cancel_event);
+
+
+static void do_event_work(struct work_struct *work)
+{
+	struct ceph_osd_event_work *event_work =
+		container_of(work, struct ceph_osd_event_work, work);
+	struct ceph_osd_event *event = event_work->event;
+	u64 ver = event_work->ver;
+	u64 notify_id = event_work->notify_id;
+	u8 opcode = event_work->opcode;
+
+	dout("do_event_work completing %p\n", event);
+	event->cb(ver, notify_id, opcode, event->data);
+	complete(&event->completion);
+	dout("do_event_work completed %p\n", event);
+	ceph_osdc_put_event(event);
+	kfree(event_work);
+}
+
+
+/*
+ * Process osd watch notifications
+ */
+void handle_watch_notify(struct ceph_osd_client *osdc, struct ceph_msg *msg)
+{
+	void *p, *end;
+	u8 proto_ver;
+	u64 cookie, ver, notify_id;
+	u8 opcode;
+	struct ceph_osd_event *event;
+	struct ceph_osd_event_work *event_work;
+
+	p = msg->front.iov_base;
+	end = p + msg->front.iov_len;
+
+	ceph_decode_8_safe(&p, end, proto_ver, bad);
+	ceph_decode_8_safe(&p, end, opcode, bad);
+	ceph_decode_64_safe(&p, end, cookie, bad);
+	ceph_decode_64_safe(&p, end, ver, bad);
+	ceph_decode_64_safe(&p, end, notify_id, bad);
+
+	spin_lock(&osdc->event_lock);
+	event = __find_event(osdc, cookie);
+	if (event) {
+		get_event(event);
+		if (event->one_shot)
+			__remove_event(event);
+	}
+	spin_unlock(&osdc->event_lock);
+	dout("handle_watch_notify cookie %lld ver %lld event %p\n",
+	     cookie, ver, event);
+	if (event) {
+		event_work = kmalloc(sizeof(*event_work), GFP_NOIO);
+		if (!event_work) {
+			dout("ERROR: could not allocate event_work\n");
+			goto done_err;
+		}
+		INIT_WORK(&event_work->work, do_event_work);
+		event_work->event = event;
+		event_work->ver = ver;
+		event_work->notify_id = notify_id;
+		event_work->opcode = opcode;
+		if (!queue_work(osdc->notify_wq, &event_work->work)) {
+			dout("WARNING: failed to queue notify event work\n");
+			goto done_err;
+		}
+	}
+
+	return;
+
+done_err:
+	complete(&event->completion);
+	ceph_osdc_put_event(event);
+	return;
+
+bad:
+	pr_err("osdc handle_watch_notify corrupt msg\n");
+	return;
+}
+
+int ceph_osdc_wait_event(struct ceph_osd_event *event, unsigned long timeout)
+{
+	int err;
+
+	dout("wait_event %p\n", event);
+	err = wait_for_completion_interruptible_timeout(&event->completion,
+							timeout * HZ);
+	ceph_osdc_put_event(event);
+	if (err > 0)
+		err = 0;
+	dout("wait_event %p returns %d\n", event, err);
+	return err;
+}
+EXPORT_SYMBOL(ceph_osdc_wait_event);
+
+/*
  * Register request, send initial attempt.
  */
 int ceph_osdc_start_request(struct ceph_osd_client *osdc,
@@ -1347,18 +1676,27 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
 	 * the request still han't been touched yet.
 	 */
 	if (req->r_sent == 0) {
-		rc = __send_request(osdc, req);
-		if (rc) {
-			if (nofail) {
-				dout("osdc_start_request failed send, "
-				     " marking %lld\n", req->r_tid);
-				req->r_resend = true;
-				rc = 0;
-			} else {
-				__unregister_request(osdc, req);
+		rc = __map_request(osdc, req);
+		if (rc < 0)
+			goto out_unlock;
+		if (req->r_osd == NULL) {
+			dout("send_request %p no up osds in pg\n", req);
+			ceph_monc_request_next_osdmap(&osdc->client->monc);
+		} else {
+			rc = __send_request(osdc, req);
+			if (rc) {
+				if (nofail) {
+					dout("osdc_start_request failed send, "
+					     " will retry %lld\n", req->r_tid);
+					rc = 0;
+				} else {
+					__unregister_request(osdc, req);
+				}
 			}
 		}
 	}
+
+out_unlock:
 	mutex_unlock(&osdc->request_mutex);
 	up_read(&osdc->map_sem);
 	return rc;
@@ -1441,9 +1779,15 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
 	INIT_LIST_HEAD(&osdc->osd_lru);
 	osdc->requests = RB_ROOT;
 	INIT_LIST_HEAD(&osdc->req_lru);
+	INIT_LIST_HEAD(&osdc->req_unsent);
+	INIT_LIST_HEAD(&osdc->req_notarget);
+	INIT_LIST_HEAD(&osdc->req_linger);
 	osdc->num_requests = 0;
 	INIT_DELAYED_WORK(&osdc->timeout_work, handle_timeout);
 	INIT_DELAYED_WORK(&osdc->osds_timeout_work, handle_osds_timeout);
+	spin_lock_init(&osdc->event_lock);
+	osdc->event_tree = RB_ROOT;
+	osdc->event_count = 0;
 
 	schedule_delayed_work(&osdc->osds_timeout_work,
 	   round_jiffies_relative(osdc->client->options->osd_idle_ttl * HZ));
@@ -1463,6 +1807,13 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
 				"osd_op_reply");
 	if (err < 0)
 		goto out_msgpool;
+
+	osdc->notify_wq = create_singlethread_workqueue("ceph-watch-notify");
+	if (IS_ERR(osdc->notify_wq)) {
+		err = PTR_ERR(osdc->notify_wq);
+		osdc->notify_wq = NULL;
+		goto out_msgpool;
+	}
 	return 0;
 
 out_msgpool:
@@ -1476,6 +1827,8 @@ EXPORT_SYMBOL(ceph_osdc_init);
 
 void ceph_osdc_stop(struct ceph_osd_client *osdc)
 {
+	flush_workqueue(osdc->notify_wq);
+	destroy_workqueue(osdc->notify_wq);
 	cancel_delayed_work_sync(&osdc->timeout_work);
 	cancel_delayed_work_sync(&osdc->osds_timeout_work);
 	if (osdc->osdmap) {
@@ -1483,6 +1836,7 @@ void ceph_osdc_stop(struct ceph_osd_client *osdc)
 		osdc->osdmap = NULL;
 	}
 	remove_old_osds(osdc, 1);
+	WARN_ON(!RB_EMPTY_ROOT(&osdc->osds));
 	mempool_destroy(osdc->req_mempool);
 	ceph_msgpool_destroy(&osdc->msgpool_op);
 	ceph_msgpool_destroy(&osdc->msgpool_op_reply);
@@ -1591,6 +1945,9 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
 	case CEPH_MSG_OSD_OPREPLY:
 		handle_reply(osdc, msg, con);
 		break;
+	case CEPH_MSG_WATCH_NOTIFY:
+		handle_watch_notify(osdc, msg);
+		break;
 
 	default:
 		pr_err("received unknown message type %d %s\n", type,
@@ -1684,6 +2041,7 @@ static struct ceph_msg *alloc_msg(struct ceph_connection *con,
 
 	switch (type) {
 	case CEPH_MSG_OSD_MAP:
+	case CEPH_MSG_WATCH_NOTIFY:
 		return ceph_msg_new(type, front, GFP_NOFS);
 	case CEPH_MSG_OSD_OPREPLY:
 		return get_reply(con, hdr, skip);
diff --git a/net/core/dev.c b/net/core/dev.c
index 0b88eba97dab..c2ac599fa0f6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1140,9 +1140,6 @@ static int __dev_open(struct net_device *dev)
 
 	ASSERT_RTNL();
 
-	/*
-	 *	Is it even present?
-	 */
 	if (!netif_device_present(dev))
 		return -ENODEV;
 
@@ -1151,9 +1148,6 @@ static int __dev_open(struct net_device *dev)
 	if (ret)
 		return ret;
 
-	/*
-	 *	Call device private open method
-	 */
 	set_bit(__LINK_STATE_START, &dev->state);
 
 	if (ops->ndo_validate_addr)
@@ -1162,31 +1156,12 @@ static int __dev_open(struct net_device *dev)
 	if (!ret && ops->ndo_open)
 		ret = ops->ndo_open(dev);
 
-	/*
-	 *	If it went open OK then:
-	 */
-
 	if (ret)
 		clear_bit(__LINK_STATE_START, &dev->state);
 	else {
-		/*
-		 *	Set the flags.
-		 */
 		dev->flags |= IFF_UP;
-
-		/*
-		 *	Enable NET_DMA
-		 */
 		net_dmaengine_get();
-
-		/*
-		 *	Initialize multicasting status
-		 */
 		dev_set_rx_mode(dev);
-
-		/*
-		 *	Wakeup transmit queue engine
-		 */
 		dev_activate(dev);
 	}
 
@@ -1209,22 +1184,13 @@ int dev_open(struct net_device *dev)
 {
 	int ret;
 
-	/*
-	 *	Is it already up?
-	 */
 	if (dev->flags & IFF_UP)
 		return 0;
 
-	/*
-	 *	Open device
-	 */
 	ret = __dev_open(dev);
 	if (ret < 0)
 		return ret;
 
-	/*
-	 *	... and announce new interface.
-	 */
 	rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
 	call_netdevice_notifiers(NETDEV_UP, dev);
 
@@ -1240,10 +1206,6 @@ static int __dev_close_many(struct list_head *head)
 	might_sleep();
 
 	list_for_each_entry(dev, head, unreg_list) {
-		/*
-		 *	Tell people we are going down, so that they can
-		 *	prepare to death, when device is still operating.
-		 */
 		call_netdevice_notifiers(NETDEV_GOING_DOWN, dev);
 
 		clear_bit(__LINK_STATE_START, &dev->state);
@@ -1272,15 +1234,7 @@ static int __dev_close_many(struct list_head *head)
 		if (ops->ndo_stop)
 			ops->ndo_stop(dev);
 
-		/*
-		 *	Device is now down.
-		 */
-
 		dev->flags &= ~IFF_UP;
-
-		/*
-		 *	Shutdown NET_DMA
-		 */
 		net_dmaengine_put();
 	}
 
@@ -1309,9 +1263,6 @@ static int dev_close_many(struct list_head *head)
 
 	__dev_close_many(head);
 
-	/*
-	 * Tell people we are down
-	 */
 	list_for_each_entry(dev, head, unreg_list) {
 		rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
 		call_netdevice_notifiers(NETDEV_DOWN, dev);
@@ -1353,14 +1304,17 @@ EXPORT_SYMBOL(dev_close);
  */
 void dev_disable_lro(struct net_device *dev)
 {
-	if (dev->ethtool_ops && dev->ethtool_ops->get_flags &&
-	    dev->ethtool_ops->set_flags) {
-		u32 flags = dev->ethtool_ops->get_flags(dev);
-		if (flags & ETH_FLAG_LRO) {
-			flags &= ~ETH_FLAG_LRO;
-			dev->ethtool_ops->set_flags(dev, flags);
-		}
-	}
+	u32 flags;
+
+	if (dev->ethtool_ops && dev->ethtool_ops->get_flags)
+		flags = dev->ethtool_ops->get_flags(dev);
+	else
+		flags = ethtool_op_get_flags(dev);
+
+	if (!(flags & ETH_FLAG_LRO))
+		return;
+
+	__ethtool_set_flags(dev, flags & ~ETH_FLAG_LRO);
 	WARN_ON(dev->features & NETIF_F_LRO);
 }
 EXPORT_SYMBOL(dev_disable_lro);
@@ -1368,11 +1322,6 @@ EXPORT_SYMBOL(dev_disable_lro);
 
 static int dev_boot_phase = 1;
 
-/*
- *	Device change register/unregister. These are not inline or static
- *	as we export them to the world.
- */
-
 /**
  *	register_netdevice_notifier - register a network notifier block
  *	@nb: notifier
@@ -1474,6 +1423,7 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
 	ASSERT_RTNL();
 	return raw_notifier_call_chain(&netdev_chain, val, dev);
 }
+EXPORT_SYMBOL(call_netdevice_notifiers);
 
 /* When > 0 there are consumers of rx skb time stamps */
 static atomic_t netstamp_needed = ATOMIC_INIT(0);
@@ -1504,6 +1454,27 @@ static inline void net_timestamp_check(struct sk_buff *skb)
 		__net_timestamp(skb);
 }
 
+static inline bool is_skb_forwardable(struct net_device *dev,
+				      struct sk_buff *skb)
+{
+	unsigned int len;
+
+	if (!(dev->flags & IFF_UP))
+		return false;
+
+	len = dev->mtu + dev->hard_header_len + VLAN_HLEN;
+	if (skb->len <= len)
+		return true;
+
+	/* if TSO is enabled, we don't care about the length as the packet
+	 * could be forwarded without being segmented before
+	 */
+	if (skb_is_gso(skb))
+		return true;
+
+	return false;
+}
+
 /**
  * dev_forward_skb - loopback an skb to another netif
  *
@@ -1527,8 +1498,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
 	skb_orphan(skb);
 	nf_reset(skb);
 
-	if (unlikely(!(dev->flags & IFF_UP) ||
-		     (skb->len > (dev->mtu + dev->hard_header_len + VLAN_HLEN)))) {
+	if (unlikely(!is_skb_forwardable(dev, skb))) {
 		atomic_long_inc(&dev->rx_dropped);
 		kfree_skb(skb);
 		return NET_RX_DROP;
@@ -2121,7 +2091,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
 		u32 features;
 
 		/*
-		 * If device doesnt need skb->dst, release it right now while
+		 * If device doesn't need skb->dst, release it right now while
 		 * its hot in this cpu cache
 		 */
 		if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
@@ -2181,7 +2151,7 @@ gso:
 		nskb->next = NULL;
 
 		/*
-		 * If device doesnt need nskb->dst, release it right now while
+		 * If device doesn't need nskb->dst, release it right now while
 		 * its hot in this cpu cache
 		 */
 		if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
@@ -3000,8 +2970,8 @@ EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook);
  * when CONFIG_NET_CLS_ACT is? otherwise some useless instructions
  * a compare and 2 stores extra right now if we dont have it on
  * but have CONFIG_NET_CLS_ACT
- * NOTE: This doesnt stop any functionality; if you dont have
- * the ingress scheduler, you just cant add policies on ingress.
+ * NOTE: This doesn't stop any functionality; if you dont have
+ * the ingress scheduler, you just can't add policies on ingress.
  *
  */
 static int ing_filter(struct sk_buff *skb, struct netdev_queue *rxq)
@@ -3830,7 +3800,7 @@ static void net_rx_action(struct softirq_action *h)
 		 * with netpoll's poll_napi().  Only the entity which
 		 * obtains the lock and sees NAPI_STATE_SCHED set will
 		 * actually make the ->poll() call.  Therefore we avoid
-		 * accidently calling ->poll() when NAPI is not scheduled.
+		 * accidentally calling ->poll() when NAPI is not scheduled.
 		 */
 		work = 0;
 		if (test_bit(NAPI_STATE_SCHED, &n->state)) {
@@ -5233,11 +5203,15 @@ u32 netdev_fix_features(struct net_device *dev, u32 features)
 	}
 
 	/* TSO requires that SG is present as well. */
-	if ((features & NETIF_F_TSO) && !(features & NETIF_F_SG)) {
-		netdev_info(dev, "Dropping NETIF_F_TSO since no SG feature.\n");
-		features &= ~NETIF_F_TSO;
+	if ((features & NETIF_F_ALL_TSO) && !(features & NETIF_F_SG)) {
+		netdev_info(dev, "Dropping TSO features since no SG feature.\n");
+		features &= ~NETIF_F_ALL_TSO;
 	}
 
+	/* TSO ECN requires that TSO is present as well. */
+	if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN)
+		features &= ~NETIF_F_TSO_ECN;
+
 	/* Software GSO depends on SG. */
 	if ((features & NETIF_F_GSO) && !(features & NETIF_F_SG)) {
 		netdev_info(dev, "Dropping NETIF_F_GSO since no SG feature.\n");
@@ -6366,7 +6340,7 @@ static void __net_exit default_device_exit(struct net *net)
 		if (dev->rtnl_link_ops)
 			continue;
 
-		/* Push remaing network devices to init_net */
+		/* Push remaining network devices to init_net */
 		snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex);
 		err = dev_change_net_namespace(dev, &init_net, fb_name);
 		if (err) {
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 36e603c78ce9..706502ff64aa 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -350,7 +350,7 @@ static int __init init_net_drop_monitor(void)
 	struct per_cpu_dm_data *data;
 	int cpu, rc;
 
-	printk(KERN_INFO "Initalizing network drop monitor service\n");
+	printk(KERN_INFO "Initializing network drop monitor service\n");
 
 	if (sizeof(void *) > 8) {
 		printk(KERN_ERR "Unable to store program counters on this arch, Drop monitor failed\n");
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index c1a71bb738da..74ead9eca126 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -141,9 +141,24 @@ u32 ethtool_op_get_flags(struct net_device *dev)
 }
 EXPORT_SYMBOL(ethtool_op_get_flags);
 
+/* Check if device can enable (or disable) particular feature coded in "data"
+ * argument. Flags "supported" describe features that can be toggled by device.
+ * If feature can not be toggled, it state (enabled or disabled) must match
+ * hardcoded device features state, otherwise flags are marked as invalid.
+ */
+bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported)
+{
+	u32 features = dev->features & flags_dup_features;
+	/* "data" can contain only flags_dup_features bits,
+	 * see __ethtool_set_flags */
+
+	return (features & ~supported) != (data & ~supported);
+}
+EXPORT_SYMBOL(ethtool_invalid_flags);
+
 int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
 {
-	if (data & ~supported)
+	if (ethtool_invalid_flags(dev, data, supported))
 		return -EINVAL;
 
 	dev->features = ((dev->features & ~flags_dup_features) |
@@ -513,7 +528,7 @@ static int ethtool_set_one_feature(struct net_device *dev,
 	}
 }
 
-static int __ethtool_set_flags(struct net_device *dev, u32 data)
+int __ethtool_set_flags(struct net_device *dev, u32 data)
 {
 	u32 changed;
 
@@ -1457,6 +1472,9 @@ static int __ethtool_set_sg(struct net_device *dev, u32 data)
 {
 	int err;
 
+	if (!dev->ethtool_ops->set_sg)
+		return -EOPNOTSUPP;
+
 	if (data && !(dev->features & NETIF_F_ALL_CSUM))
 		return -EINVAL;
 
diff --git a/net/core/filter.c b/net/core/filter.c
index 232b1873bb28..afb8afb066bb 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -425,7 +425,7 @@ EXPORT_SYMBOL(sk_run_filter);
  * As we dont want to clear mem[] array for each packet going through
  * sk_run_filter(), we check that filter loaded by user never try to read
  * a cell if not previously written, and we check all branches to be sure
- * a malicious user doesnt try to abuse us.
+ * a malicious user doesn't try to abuse us.
  */
 static int check_load_and_stores(struct sock_filter *filter, int flen)
 {
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index 01a1101b5936..a7b342131869 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -129,7 +129,7 @@ static void linkwatch_schedule_work(int urgent)
 	if (!cancel_delayed_work(&linkwatch_work))
 		return;
 
-	/* Otherwise we reschedule it again for immediate exection. */
+	/* Otherwise we reschedule it again for immediate execution. */
 	schedule_delayed_work(&linkwatch_work, 0);
 }
 
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 0c55eaa70e39..aeeece72b72f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3761,7 +3761,10 @@ static int __init pktgen_create_thread(int cpu)
 	list_add_tail(&t->th_list, &pktgen_threads);
 	init_completion(&t->start_done);
 
-	p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
+	p = kthread_create_on_node(pktgen_thread_worker,
+				   t,
+				   cpu_to_node(cpu),
+				   "kpktgend_%d", cpu);
 	if (IS_ERR(p)) {
 		pr_err("kernel_thread() failed for cpu %d\n", t->cpu);
 		list_del(&t->th_list);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 49f7ea5b4c75..d7c4bb4b1820 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -196,7 +196,7 @@ EXPORT_SYMBOL_GPL(__rtnl_register);
  * as failure of this function is very unlikely, it can only happen due
  * to lack of memory when allocating the chain to store all message
  * handlers for a protocol. Meant for use in init functions where lack
- * of memory implies no sense in continueing.
+ * of memory implies no sense in continuing.
  */
 void rtnl_register(int protocol, int msgtype,
 		   rtnl_doit_func doit, rtnl_dumpit_func dumpit)
@@ -1440,7 +1440,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
 errout:
 	if (err < 0 && modified && net_ratelimit())
 		printk(KERN_WARNING "A link change request failed with "
-		       "some changes comitted already. Interface %s may "
+		       "some changes committed already. Interface %s may "
 		       "have been left with an inconsistent configuration, "
 		       "please check.\n", dev->name);
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 801dd08908f9..7ebeed0a877c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2267,7 +2267,7 @@ EXPORT_SYMBOL(skb_prepare_seq_read);
  * of bytes already consumed and the next call to
  * skb_seq_read() will return the remaining part of the block.
  *
- * Note 1: The size of each block of data returned can be arbitary,
+ * Note 1: The size of each block of data returned can be arbitrary,
  *       this limitation is the cost for zerocopy seqeuental
  *       reads of potentially non linear data.
  *
diff --git a/net/core/sock.c b/net/core/sock.c
index 7dfed792434d..6e819780c232 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -215,7 +215,7 @@ __u32 sysctl_rmem_max __read_mostly = SK_RMEM_MAX;
 __u32 sysctl_wmem_default __read_mostly = SK_WMEM_MAX;
 __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
 
-/* Maximal space eaten by iovec or ancilliary data plus some space */
+/* Maximal space eaten by iovec or ancillary data plus some space */
 int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512);
 EXPORT_SYMBOL(sysctl_optmem_max);
 
@@ -1175,7 +1175,7 @@ static void __sk_free(struct sock *sk)
 void sk_free(struct sock *sk)
 {
 	/*
-	 * We substract one from sk_wmem_alloc and can know if
+	 * We subtract one from sk_wmem_alloc and can know if
 	 * some packets are still in some tx queue.
 	 * If not null, sock_wfree() will call __sk_free(sk) later
 	 */
@@ -1185,10 +1185,10 @@ void sk_free(struct sock *sk)
 EXPORT_SYMBOL(sk_free);
 
 /*
- * Last sock_put should drop referrence to sk->sk_net. It has already
- * been dropped in sk_change_net. Taking referrence to stopping namespace
+ * Last sock_put should drop reference to sk->sk_net. It has already
+ * been dropped in sk_change_net. Taking reference to stopping namespace
  * is not an option.
- * Take referrence to a socket to remove it from hash _alive_ and after that
+ * Take reference to a socket to remove it from hash _alive_ and after that
  * destroy it in the context of init_net.
  */
 void sk_release_kernel(struct sock *sk)
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 784d30210543..136d41cbcd02 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -143,7 +143,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 }
 
 /**
- * dccp_determine_ccmps  -  Find out about CCID-specfic packet-size limits
+ * dccp_determine_ccmps  -  Find out about CCID-specific packet-size limits
  * We only consider the HC-sender CCID for setting the CCMPS (RFC 4340, 14.),
  * since the RX CCID is restricted to feedback packets (Acks), which are small
  * in comparison with the data traffic. A value of 0 means "no current CCMPS".
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index bb2b41bc854e..3da418894efc 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -14,6 +14,13 @@
 #include "dsa_priv.h"
 #include "mv88e6xxx.h"
 
+/*
+ * Switch product IDs
+ */
+#define ID_6085		0x04a0
+#define ID_6095		0x0950
+#define ID_6131		0x1060
+
 static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
 {
 	int ret;
@@ -21,9 +28,11 @@ static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
 	ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
 	if (ret >= 0) {
 		ret &= 0xfff0;
-		if (ret == 0x0950)
+		if (ret == ID_6085)
+			return "Marvell 88E6085";
+		if (ret == ID_6095)
 			return "Marvell 88E6095/88E6095F";
-		if (ret == 0x1060)
+		if (ret == ID_6131)
 			return "Marvell 88E6131";
 	}
 
@@ -124,7 +133,7 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
 	 * Ignore removed tag data on doubly tagged packets, disable
 	 * flow control messages, force flow control priority to the
 	 * highest, and send all special multicast frames to the CPU
-	 * port at the higest priority.
+	 * port at the highest priority.
 	 */
 	REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff);
 
@@ -164,6 +173,7 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
 
 static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
 {
+	struct mv88e6xxx_priv_state *ps = (void *)(ds + 1);
 	int addr = REG_PORT(p);
 	u16 val;
 
@@ -171,10 +181,13 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
 	 * MAC Forcing register: don't force link, speed, duplex
 	 * or flow control state to any particular values on physical
 	 * ports, but force the CPU port and all DSA ports to 1000 Mb/s
-	 * full duplex.
+	 * (100 Mb/s on 6085) full duplex.
 	 */
 	if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
-		REG_WRITE(addr, 0x01, 0x003e);
+		if (ps->id == ID_6085)
+			REG_WRITE(addr, 0x01, 0x003d); /* 100 Mb/s */
+		else
+			REG_WRITE(addr, 0x01, 0x003e); /* 1000 Mb/s */
 	else
 		REG_WRITE(addr, 0x01, 0x0003);
 
@@ -286,6 +299,8 @@ static int mv88e6131_setup(struct dsa_switch *ds)
 	mv88e6xxx_ppu_state_init(ds);
 	mutex_init(&ps->stats_mutex);
 
+	ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
+
 	ret = mv88e6131_switch_reset(ds);
 	if (ret < 0)
 		return ret;
diff --git a/net/dsa/mv88e6xxx.h b/net/dsa/mv88e6xxx.h
index eb0e0aaa9f1b..61156ca26a0d 100644
--- a/net/dsa/mv88e6xxx.h
+++ b/net/dsa/mv88e6xxx.h
@@ -39,6 +39,8 @@ struct mv88e6xxx_priv_state {
 	 * Hold this mutex over snapshot + dump sequences.
 	 */
 	struct mutex	stats_mutex;
+
+	int		id; /* switch product id */
 };
 
 struct mv88e6xxx_hw_stat {
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 0c2826337919..116d3fd3d669 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -435,10 +435,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 		udpdest.sin_addr.s_addr = htonl(network | addr.station);
 	}
 
+	memset(&ah, 0, sizeof(ah));
 	ah.port = port;
 	ah.cb = cb & 0x7f;
 	ah.code = 2;		/* magic */
-	ah.pad = 0;
 
 	/* tack our header on the front of the iovec */
 	size = sizeof(struct aunhdr);
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index ce2d33582859..5761185f884e 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,3 @@
 obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
 ieee802154-y		:= netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
-
-ccflags-y += -Wall -DDEBUG
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 090d273d7865..1b74d3b64371 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -215,6 +215,9 @@ int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir)
 	case ARPHRD_INFINIBAND:
 		ip_ib_mc_map(addr, dev->broadcast, haddr);
 		return 0;
+	case ARPHRD_IPGRE:
+		ip_ipgre_mc_map(addr, dev->broadcast, haddr);
+		return 0;
 	default:
 		if (dir) {
 			memcpy(haddr, dev->broadcast, dev->addr_len);
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 094e150c6260..a0af7ea87870 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -112,7 +112,7 @@ int cipso_v4_rbm_strictvalid = 1;
 /* The maximum number of category ranges permitted in the ranged category tag
  * (tag #5).  You may note that the IETF draft states that the maximum number
  * of category ranges is 7, but if the low end of the last category range is
- * zero then it is possibile to fit 8 category ranges because the zero should
+ * zero then it is possible to fit 8 category ranges because the zero should
  * be omitted. */
 #define CIPSO_V4_TAG_RNG_CAT_MAX      8
 
@@ -438,7 +438,7 @@ cache_add_failure:
  *
  * Description:
  * Search the DOI definition list for a DOI definition with a DOI value that
- * matches @doi.  The caller is responsibile for calling rcu_read_[un]lock().
+ * matches @doi.  The caller is responsible for calling rcu_read_[un]lock().
  * Returns a pointer to the DOI definition on success and NULL on failure.
  */
 static struct cipso_v4_doi *cipso_v4_doi_search(u32 doi)
@@ -1293,7 +1293,7 @@ static int cipso_v4_gentag_rbm(const struct cipso_v4_doi *doi_def,
 			return ret_val;
 
 		/* This will send packets using the "optimized" format when
-		 * possibile as specified in  section 3.4.2.6 of the
+		 * possible as specified in  section 3.4.2.6 of the
 		 * CIPSO draft. */
 		if (cipso_v4_rbm_optfmt && ret_val > 0 && ret_val <= 10)
 			tag_len = 14;
@@ -1752,7 +1752,7 @@ validate_return:
 }
 
 /**
- * cipso_v4_error - Send the correct reponse for a bad packet
+ * cipso_v4_error - Send the correct response for a bad packet
  * @skb: the packet
  * @error: the error code
  * @gateway: CIPSO gateway flag
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 6d85800daeb7..5345b0bee6df 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -64,6 +64,8 @@
 #include <net/rtnetlink.h>
 #include <net/net_namespace.h>
 
+#include "fib_lookup.h"
+
 static struct ipv4_devconf ipv4_devconf = {
 	.data = {
 		[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
@@ -151,6 +153,20 @@ struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref)
 			break;
 		}
 	}
+	if (!result) {
+		struct flowi4 fl4 = { .daddr = addr };
+		struct fib_result res = { 0 };
+		struct fib_table *local;
+
+		/* Fallback to FIB local table so that communication
+		 * over loopback subnets work.
+		 */
+		local = fib_get_table(net, RT_TABLE_LOCAL);
+		if (local &&
+		    !fib_table_lookup(local, &fl4, &res, FIB_LOOKUP_NOREF) &&
+		    res.type == RTN_LOCAL)
+			result = FIB_RES_DEV(res);
+	}
 	if (result && devref)
 		dev_hold(result);
 	rcu_read_unlock();
@@ -345,6 +361,17 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 		}
 	}
 
+	/* On promotion all secondaries from subnet are changing
+	 * the primary IP, we must remove all their routes silently
+	 * and later to add them back with new prefsrc. Do this
+	 * while all addresses are on the device list.
+	 */
+	for (ifa = promote; ifa; ifa = ifa->ifa_next) {
+		if (ifa1->ifa_mask == ifa->ifa_mask &&
+		    inet_ifa_match(ifa1->ifa_address, ifa))
+			fib_del_ifaddr(ifa, ifa1);
+	}
+
 	/* 2. Unlink it */
 
 	*ifap = ifa1->ifa_next;
@@ -364,6 +391,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 	blocking_notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa1);
 
 	if (promote) {
+		struct in_ifaddr *next_sec = promote->ifa_next;
 
 		if (prev_prom) {
 			prev_prom->ifa_next = promote->ifa_next;
@@ -375,7 +403,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 		rtmsg_ifa(RTM_NEWADDR, promote, nlh, pid);
 		blocking_notifier_call_chain(&inetaddr_chain,
 				NETDEV_UP, promote);
-		for (ifa = promote->ifa_next; ifa; ifa = ifa->ifa_next) {
+		for (ifa = next_sec; ifa; ifa = ifa->ifa_next) {
 			if (ifa1->ifa_mask != ifa->ifa_mask ||
 			    !inet_ifa_match(ifa1->ifa_address, ifa))
 					continue;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index a373a259253c..451088330bbb 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -228,7 +228,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
 		if (res.type != RTN_LOCAL || !accept_local)
 			goto e_inval;
 	}
-	*spec_dst = FIB_RES_PREFSRC(res);
+	*spec_dst = FIB_RES_PREFSRC(net, res);
 	fib_combine_itag(itag, &res);
 	dev_match = false;
 
@@ -258,7 +258,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
 	ret = 0;
 	if (fib_lookup(net, &fl4, &res) == 0) {
 		if (res.type == RTN_UNICAST) {
-			*spec_dst = FIB_RES_PREFSRC(res);
+			*spec_dst = FIB_RES_PREFSRC(net, res);
 			ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;
 		}
 	}
@@ -722,12 +722,17 @@ void fib_add_ifaddr(struct in_ifaddr *ifa)
 	}
 }
 
-static void fib_del_ifaddr(struct in_ifaddr *ifa)
+/* Delete primary or secondary address.
+ * Optionally, on secondary address promotion consider the addresses
+ * from subnet iprim as deleted, even if they are in device list.
+ * In this case the secondary ifa can be in device list.
+ */
+void fib_del_ifaddr(struct in_ifaddr *ifa, struct in_ifaddr *iprim)
 {
 	struct in_device *in_dev = ifa->ifa_dev;
 	struct net_device *dev = in_dev->dev;
 	struct in_ifaddr *ifa1;
-	struct in_ifaddr *prim = ifa;
+	struct in_ifaddr *prim = ifa, *prim1 = NULL;
 	__be32 brd = ifa->ifa_address | ~ifa->ifa_mask;
 	__be32 any = ifa->ifa_address & ifa->ifa_mask;
 #define LOCAL_OK	1
@@ -735,17 +740,26 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
 #define BRD0_OK		4
 #define BRD1_OK		8
 	unsigned ok = 0;
+	int subnet = 0;		/* Primary network */
+	int gone = 1;		/* Address is missing */
+	int same_prefsrc = 0;	/* Another primary with same IP */
 
-	if (!(ifa->ifa_flags & IFA_F_SECONDARY))
-		fib_magic(RTM_DELROUTE,
-			  dev->flags & IFF_LOOPBACK ? RTN_LOCAL : RTN_UNICAST,
-			  any, ifa->ifa_prefixlen, prim);
-	else {
+	if (ifa->ifa_flags & IFA_F_SECONDARY) {
 		prim = inet_ifa_byprefix(in_dev, any, ifa->ifa_mask);
 		if (prim == NULL) {
 			printk(KERN_WARNING "fib_del_ifaddr: bug: prim == NULL\n");
 			return;
 		}
+		if (iprim && iprim != prim) {
+			printk(KERN_WARNING "fib_del_ifaddr: bug: iprim != prim\n");
+			return;
+		}
+	} else if (!ipv4_is_zeronet(any) &&
+		   (any != ifa->ifa_local || ifa->ifa_prefixlen < 32)) {
+		fib_magic(RTM_DELROUTE,
+			  dev->flags & IFF_LOOPBACK ? RTN_LOCAL : RTN_UNICAST,
+			  any, ifa->ifa_prefixlen, prim);
+		subnet = 1;
 	}
 
 	/* Deletion is more complicated than add.
@@ -755,6 +769,49 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
 	 */
 
 	for (ifa1 = in_dev->ifa_list; ifa1; ifa1 = ifa1->ifa_next) {
+		if (ifa1 == ifa) {
+			/* promotion, keep the IP */
+			gone = 0;
+			continue;
+		}
+		/* Ignore IFAs from our subnet */
+		if (iprim && ifa1->ifa_mask == iprim->ifa_mask &&
+		    inet_ifa_match(ifa1->ifa_address, iprim))
+			continue;
+
+		/* Ignore ifa1 if it uses different primary IP (prefsrc) */
+		if (ifa1->ifa_flags & IFA_F_SECONDARY) {
+			/* Another address from our subnet? */
+			if (ifa1->ifa_mask == prim->ifa_mask &&
+			    inet_ifa_match(ifa1->ifa_address, prim))
+				prim1 = prim;
+			else {
+				/* We reached the secondaries, so
+				 * same_prefsrc should be determined.
+				 */
+				if (!same_prefsrc)
+					continue;
+				/* Search new prim1 if ifa1 is not
+				 * using the current prim1
+				 */
+				if (!prim1 ||
+				    ifa1->ifa_mask != prim1->ifa_mask ||
+				    !inet_ifa_match(ifa1->ifa_address, prim1))
+					prim1 = inet_ifa_byprefix(in_dev,
+							ifa1->ifa_address,
+							ifa1->ifa_mask);
+				if (!prim1)
+					continue;
+				if (prim1->ifa_local != prim->ifa_local)
+					continue;
+			}
+		} else {
+			if (prim->ifa_local != ifa1->ifa_local)
+				continue;
+			prim1 = ifa1;
+			if (prim != prim1)
+				same_prefsrc = 1;
+		}
 		if (ifa->ifa_local == ifa1->ifa_local)
 			ok |= LOCAL_OK;
 		if (ifa->ifa_broadcast == ifa1->ifa_broadcast)
@@ -763,19 +820,37 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
 			ok |= BRD1_OK;
 		if (any == ifa1->ifa_broadcast)
 			ok |= BRD0_OK;
+		/* primary has network specific broadcasts */
+		if (prim1 == ifa1 && ifa1->ifa_prefixlen < 31) {
+			__be32 brd1 = ifa1->ifa_address | ~ifa1->ifa_mask;
+			__be32 any1 = ifa1->ifa_address & ifa1->ifa_mask;
+
+			if (!ipv4_is_zeronet(any1)) {
+				if (ifa->ifa_broadcast == brd1 ||
+				    ifa->ifa_broadcast == any1)
+					ok |= BRD_OK;
+				if (brd == brd1 || brd == any1)
+					ok |= BRD1_OK;
+				if (any == brd1 || any == any1)
+					ok |= BRD0_OK;
+			}
+		}
 	}
 
 	if (!(ok & BRD_OK))
 		fib_magic(RTM_DELROUTE, RTN_BROADCAST, ifa->ifa_broadcast, 32, prim);
-	if (!(ok & BRD1_OK))
-		fib_magic(RTM_DELROUTE, RTN_BROADCAST, brd, 32, prim);
-	if (!(ok & BRD0_OK))
-		fib_magic(RTM_DELROUTE, RTN_BROADCAST, any, 32, prim);
+	if (subnet && ifa->ifa_prefixlen < 31) {
+		if (!(ok & BRD1_OK))
+			fib_magic(RTM_DELROUTE, RTN_BROADCAST, brd, 32, prim);
+		if (!(ok & BRD0_OK))
+			fib_magic(RTM_DELROUTE, RTN_BROADCAST, any, 32, prim);
+	}
 	if (!(ok & LOCAL_OK)) {
 		fib_magic(RTM_DELROUTE, RTN_LOCAL, ifa->ifa_local, 32, prim);
 
 		/* Check, that this local address finally disappeared. */
-		if (inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
+		if (gone &&
+		    inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
 			/* And the last, but not the least thing.
 			 * We must flush stray FIB entries.
 			 *
@@ -885,6 +960,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 {
 	struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
 	struct net_device *dev = ifa->ifa_dev->dev;
+	struct net *net = dev_net(dev);
 
 	switch (event) {
 	case NETDEV_UP:
@@ -892,12 +968,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 		fib_sync_up(dev);
 #endif
-		fib_update_nh_saddrs(dev);
+		atomic_inc(&net->ipv4.dev_addr_genid);
 		rt_cache_flush(dev_net(dev), -1);
 		break;
 	case NETDEV_DOWN:
-		fib_del_ifaddr(ifa);
-		fib_update_nh_saddrs(dev);
+		fib_del_ifaddr(ifa, NULL);
+		atomic_inc(&net->ipv4.dev_addr_genid);
 		if (ifa->ifa_dev->ifa_list == NULL) {
 			/* Last address was deleted from this interface.
 			 * Disable IP.
@@ -915,6 +991,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 {
 	struct net_device *dev = ptr;
 	struct in_device *in_dev = __in_dev_get_rtnl(dev);
+	struct net *net = dev_net(dev);
 
 	if (event == NETDEV_UNREGISTER) {
 		fib_disable_ip(dev, 2, -1);
@@ -932,6 +1009,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 		fib_sync_up(dev);
 #endif
+		atomic_inc(&net->ipv4.dev_addr_genid);
 		rt_cache_flush(dev_net(dev), -1);
 		break;
 	case NETDEV_DOWN:
@@ -990,6 +1068,7 @@ static void ip_fib_net_exit(struct net *net)
 	fib4_rules_exit(net);
 #endif
 
+	rtnl_lock();
 	for (i = 0; i < FIB_TABLE_HASHSZ; i++) {
 		struct fib_table *tb;
 		struct hlist_head *head;
@@ -1002,6 +1081,7 @@ static void ip_fib_net_exit(struct net *net)
 			fib_free_table(tb);
 		}
 	}
+	rtnl_unlock();
 	kfree(net->ipv4.fib_table_hash);
 }
 
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index 4ec323875a02..af0f14aba169 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -10,7 +10,6 @@ struct fib_alias {
 	struct fib_info		*fa_info;
 	u8			fa_tos;
 	u8			fa_type;
-	u8			fa_scope;
 	u8			fa_state;
 	struct rcu_head		rcu;
 };
@@ -29,7 +28,7 @@ extern void fib_release_info(struct fib_info *);
 extern struct fib_info *fib_create_info(struct fib_config *cfg);
 extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
 extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-			 u32 tb_id, u8 type, u8 scope, __be32 dst,
+			 u32 tb_id, u8 type, __be32 dst,
 			 int dst_len, u8 tos, struct fib_info *fi,
 			 unsigned int);
 extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 622ac4c95026..641a5a2a9f9c 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -222,7 +222,7 @@ static inline unsigned int fib_info_hashfn(const struct fib_info *fi)
 	unsigned int mask = (fib_info_hash_size - 1);
 	unsigned int val = fi->fib_nhs;
 
-	val ^= fi->fib_protocol;
+	val ^= (fi->fib_protocol << 8) | fi->fib_scope;
 	val ^= (__force u32)fi->fib_prefsrc;
 	val ^= fi->fib_priority;
 	for_nexthops(fi) {
@@ -248,10 +248,11 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi)
 		if (fi->fib_nhs != nfi->fib_nhs)
 			continue;
 		if (nfi->fib_protocol == fi->fib_protocol &&
+		    nfi->fib_scope == fi->fib_scope &&
 		    nfi->fib_prefsrc == fi->fib_prefsrc &&
 		    nfi->fib_priority == fi->fib_priority &&
 		    memcmp(nfi->fib_metrics, fi->fib_metrics,
-			   sizeof(fi->fib_metrics)) == 0 &&
+			   sizeof(u32) * RTAX_MAX) == 0 &&
 		    ((nfi->fib_flags ^ fi->fib_flags) & ~RTNH_F_DEAD) == 0 &&
 		    (nfi->fib_nhs == 0 || nh_comp(fi, nfi) == 0))
 			return fi;
@@ -328,7 +329,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
 		goto errout;
 
 	err = fib_dump_info(skb, info->pid, seq, event, tb_id,
-			    fa->fa_type, fa->fa_scope, key, dst_len,
+			    fa->fa_type, key, dst_len,
 			    fa->fa_tos, fa->fa_info, nlm_flags);
 	if (err < 0) {
 		/* -EMSGSIZE implies BUG in fib_nlmsg_size() */
@@ -695,6 +696,16 @@ static void fib_info_hash_move(struct hlist_head *new_info_hash,
 	fib_info_hash_free(old_laddrhash, bytes);
 }
 
+__be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
+{
+	nh->nh_saddr = inet_select_addr(nh->nh_dev,
+					nh->nh_gw,
+					nh->nh_parent->fib_scope);
+	nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
+
+	return nh->nh_saddr;
+}
+
 struct fib_info *fib_create_info(struct fib_config *cfg)
 {
 	int err;
@@ -753,6 +764,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 
 	fi->fib_net = hold_net(net);
 	fi->fib_protocol = cfg->fc_protocol;
+	fi->fib_scope = cfg->fc_scope;
 	fi->fib_flags = cfg->fc_flags;
 	fi->fib_priority = cfg->fc_priority;
 	fi->fib_prefsrc = cfg->fc_prefsrc;
@@ -854,10 +866,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 	}
 
 	change_nexthops(fi) {
-		nexthop_nh->nh_cfg_scope = cfg->fc_scope;
-		nexthop_nh->nh_saddr = inet_select_addr(nexthop_nh->nh_dev,
-							nexthop_nh->nh_gw,
-							nexthop_nh->nh_cfg_scope);
+		fib_info_update_nh_saddr(net, nexthop_nh);
 	} endfor_nexthops(fi)
 
 link_it:
@@ -906,7 +915,7 @@ failure:
 }
 
 int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-		  u32 tb_id, u8 type, u8 scope, __be32 dst, int dst_len, u8 tos,
+		  u32 tb_id, u8 type, __be32 dst, int dst_len, u8 tos,
 		  struct fib_info *fi, unsigned int flags)
 {
 	struct nlmsghdr *nlh;
@@ -928,7 +937,7 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
 	NLA_PUT_U32(skb, RTA_TABLE, tb_id);
 	rtm->rtm_type = type;
 	rtm->rtm_flags = fi->fib_flags;
-	rtm->rtm_scope = scope;
+	rtm->rtm_scope = fi->fib_scope;
 	rtm->rtm_protocol = fi->fib_protocol;
 
 	if (rtm->rtm_dst_len)
@@ -1084,7 +1093,7 @@ void fib_select_default(struct fib_result *res)
 	list_for_each_entry_rcu(fa, fa_head, fa_list) {
 		struct fib_info *next_fi = fa->fa_info;
 
-		if (fa->fa_scope != res->scope ||
+		if (next_fi->fib_scope != res->scope ||
 		    fa->fa_type != RTN_UNICAST)
 			continue;
 
@@ -1128,24 +1137,6 @@ out:
 	return;
 }
 
-void fib_update_nh_saddrs(struct net_device *dev)
-{
-	struct hlist_head *head;
-	struct hlist_node *node;
-	struct fib_nh *nh;
-	unsigned int hash;
-
-	hash = fib_devindex_hashfn(dev->ifindex);
-	head = &fib_info_devhash[hash];
-	hlist_for_each_entry(nh, node, head, nh_hash) {
-		if (nh->nh_dev != dev)
-			continue;
-		nh->nh_saddr = inet_select_addr(nh->nh_dev,
-						nh->nh_gw,
-						nh->nh_cfg_scope);
-	}
-}
-
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 
 /*
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 3d28a35c2e1a..e9013d6c1f51 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -12,7 +12,7 @@
  *
  *   Hans Liss <hans.liss@its.uu.se>  Uppsala Universitet
  *
- * This work is based on the LPC-trie which is originally descibed in:
+ * This work is based on the LPC-trie which is originally described in:
  *
  * An experimental study of compression methods for dynamic tries
  * Stefan Nilsson and Matti Tikkanen. Algorithmica, 33(1):19-33, 2002.
@@ -1245,7 +1245,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 			if (fa->fa_info->fib_priority != fi->fib_priority)
 				break;
 			if (fa->fa_type == cfg->fc_type &&
-			    fa->fa_scope == cfg->fc_scope &&
 			    fa->fa_info == fi) {
 				fa_match = fa;
 				break;
@@ -1271,7 +1270,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 			new_fa->fa_tos = fa->fa_tos;
 			new_fa->fa_info = fi;
 			new_fa->fa_type = cfg->fc_type;
-			new_fa->fa_scope = cfg->fc_scope;
 			state = fa->fa_state;
 			new_fa->fa_state = state & ~FA_S_ACCESSED;
 
@@ -1308,7 +1306,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 	new_fa->fa_info = fi;
 	new_fa->fa_tos = tos;
 	new_fa->fa_type = cfg->fc_type;
-	new_fa->fa_scope = cfg->fc_scope;
 	new_fa->fa_state = 0;
 	/*
 	 * Insert new entry to the list.
@@ -1362,15 +1359,15 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
 
 			if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos)
 				continue;
-			if (fa->fa_scope < flp->flowi4_scope)
+			if (fa->fa_info->fib_scope < flp->flowi4_scope)
 				continue;
 			fib_alias_accessed(fa);
 			err = fib_props[fa->fa_type].error;
 			if (err) {
 #ifdef CONFIG_IP_FIB_TRIE_STATS
-				t->stats.semantic_match_miss++;
+				t->stats.semantic_match_passed++;
 #endif
-				return 1;
+				return err;
 			}
 			if (fi->fib_flags & RTNH_F_DEAD)
 				continue;
@@ -1388,7 +1385,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
 				res->prefixlen = plen;
 				res->nh_sel = nhsel;
 				res->type = fa->fa_type;
-				res->scope = fa->fa_scope;
+				res->scope = fa->fa_info->fib_scope;
 				res->fi = fi;
 				res->table = tb;
 				res->fa_head = &li->falh;
@@ -1664,7 +1661,9 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
 
 		if ((!cfg->fc_type || fa->fa_type == cfg->fc_type) &&
 		    (cfg->fc_scope == RT_SCOPE_NOWHERE ||
-		     fa->fa_scope == cfg->fc_scope) &&
+		     fa->fa_info->fib_scope == cfg->fc_scope) &&
+		    (!cfg->fc_prefsrc ||
+		     fi->fib_prefsrc == cfg->fc_prefsrc) &&
 		    (!cfg->fc_protocol ||
 		     fi->fib_protocol == cfg->fc_protocol) &&
 		    fib_nh_match(cfg, fi) == 0) {
@@ -1861,7 +1860,6 @@ static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah,
 				  RTM_NEWROUTE,
 				  tb->tb_id,
 				  fa->fa_type,
-				  fa->fa_scope,
 				  xkey,
 				  plen,
 				  fa->fa_tos,
@@ -2382,7 +2380,7 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
 				seq_indent(seq, iter->depth+1);
 				seq_printf(seq, "  /%d %s %s", li->plen,
 					   rtn_scope(buf1, sizeof(buf1),
-						     fa->fa_scope),
+						     fa->fa_info->fib_scope),
 					   rtn_type(buf2, sizeof(buf2),
 						    fa->fa_type));
 				if (fa->fa_tos)
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index a91dc1611081..e5f8a71d3a2a 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -704,7 +704,7 @@ static void icmp_unreach(struct sk_buff *skb)
 	 */
 
 	/*
-	 *	Check the other end isnt violating RFC 1122. Some routers send
+	 *	Check the other end isn't violating RFC 1122. Some routers send
 	 *	bogus responses to broadcast frames. If you see this message
 	 *	first check your netmask matches at both ends, if it does then
 	 *	get the other vendor to fix their kit.
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 6c0b7f4a3d7d..38f23e721b80 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -73,7 +73,7 @@ int inet_csk_bind_conflict(const struct sock *sk,
 		     !sk2->sk_bound_dev_if ||
 		     sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
 			if (!reuse || !sk2->sk_reuse ||
-			    ((1 << sk2->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))) {
+			    sk2->sk_state == TCP_LISTEN) {
 				const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
 				if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
 				    sk2_rcv_saddr == sk_rcv_saddr(sk))
@@ -122,8 +122,7 @@ again:
 					    (tb->num_owners < smallest_size || smallest_size == -1)) {
 						smallest_size = tb->num_owners;
 						smallest_rover = rover;
-						if (atomic_read(&hashinfo->bsockets) > (high - low) + 1 &&
-						    !inet_csk(sk)->icsk_af_ops->bind_conflict(sk, tb)) {
+						if (atomic_read(&hashinfo->bsockets) > (high - low) + 1) {
 							spin_unlock(&head->lock);
 							snum = smallest_rover;
 							goto have_snum;
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index dd1b20eca1a2..9df4e635fb5f 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -354,7 +354,8 @@ static void inetpeer_free_rcu(struct rcu_head *head)
 }
 
 /* May be called with local BH enabled. */
-static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base)
+static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base,
+			     struct inet_peer __rcu **stack[PEER_MAXDEPTH])
 {
 	int do_free;
 
@@ -368,7 +369,6 @@ static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base)
 	 * We use refcnt=-1 to alert lockless readers this entry is deleted.
 	 */
 	if (atomic_cmpxchg(&p->refcnt, 1, -1) == 1) {
-		struct inet_peer __rcu **stack[PEER_MAXDEPTH];
 		struct inet_peer __rcu ***stackptr, ***delp;
 		if (lookup(&p->daddr, stack, base) != p)
 			BUG();
@@ -422,7 +422,7 @@ static struct inet_peer_base *peer_to_base(struct inet_peer *p)
 }
 
 /* May be called with local BH enabled. */
-static int cleanup_once(unsigned long ttl)
+static int cleanup_once(unsigned long ttl, struct inet_peer __rcu **stack[PEER_MAXDEPTH])
 {
 	struct inet_peer *p = NULL;
 
@@ -454,7 +454,7 @@ static int cleanup_once(unsigned long ttl)
 		 * happen because of entry limits in route cache. */
 		return -1;
 
-	unlink_from_pool(p, peer_to_base(p));
+	unlink_from_pool(p, peer_to_base(p), stack);
 	return 0;
 }
 
@@ -524,7 +524,7 @@ struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create)
 
 	if (base->total >= inet_peer_threshold)
 		/* Remove one less-recently-used entry. */
-		cleanup_once(0);
+		cleanup_once(0, stack);
 
 	return p;
 }
@@ -540,6 +540,7 @@ static void peer_check_expire(unsigned long dummy)
 {
 	unsigned long now = jiffies;
 	int ttl, total;
+	struct inet_peer __rcu **stack[PEER_MAXDEPTH];
 
 	total = compute_total();
 	if (total >= inet_peer_threshold)
@@ -548,7 +549,7 @@ static void peer_check_expire(unsigned long dummy)
 		ttl = inet_peer_maxttl
 				- (inet_peer_maxttl - inet_peer_minttl) / HZ *
 					total / inet_peer_threshold * HZ;
-	while (!cleanup_once(ttl)) {
+	while (!cleanup_once(ttl, stack)) {
 		if (jiffies != now)
 			break;
 	}
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 1906fa35860c..2391b24e8251 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -140,11 +140,11 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 				} else {
 					dopt->ts_needtime = 0;
 
-					if (soffset + 8 <= optlen) {
+					if (soffset + 7 <= optlen) {
 						__be32 addr;
 
-						memcpy(&addr, sptr+soffset-1, 4);
-						if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_LOCAL) {
+						memcpy(&addr, dptr+soffset-1, 4);
+						if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_UNICAST) {
 							dopt->ts_needtime = 1;
 							soffset += 8;
 						}
@@ -329,7 +329,7 @@ int ip_options_compile(struct net *net,
 					pp_ptr = optptr + 2;
 					goto error;
 				}
-				if (skb) {
+				if (rt) {
 					memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4);
 					opt->is_changed = 1;
 				}
@@ -371,7 +371,7 @@ int ip_options_compile(struct net *net,
 						goto error;
 					}
 					opt->ts = optptr - iph;
-					if (skb) {
+					if (rt)  {
 						memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4);
 						timeptr = (__be32*)&optptr[optptr[2]+3];
 					}
@@ -603,7 +603,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
 	unsigned long orefdst;
 	int err;
 
-	if (!opt->srr)
+	if (!opt->srr || !rt)
 		return 0;
 
 	if (skb->pkt_type != PACKET_HOST)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 67f241b97649..459c011b1d4a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -603,7 +603,7 @@ slow_path:
 		/* IF: it doesn't fit, use 'mtu' - the data space left */
 		if (len > mtu)
 			len = mtu;
-		/* IF: we are not sending upto and including the packet end
+		/* IF: we are not sending up to and including the packet end
 		   then align the next start on an eight byte boundary */
 		if (len < left)	{
 			len &= ~7;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 2b097752426b..cbff2ecccf3d 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1444,7 +1444,7 @@ static int __init ip_auto_config(void)
 		root_server_addr = addr;
 
 	/*
-	 * Use defaults whereever applicable.
+	 * Use defaults wherever applicable.
 	 */
 	if (ic_defaults() < 0)
 		return -1;
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index f3c0b549b8e1..4614babdc45f 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -221,9 +221,10 @@ static __sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
 	return csum;
 }
 
-static int nf_ip_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip_route(struct net *net, struct dst_entry **dst,
+		       struct flowi *fl, bool strict __always_unused)
 {
-	struct rtable *rt = ip_route_output_key(&init_net, &fl->u.ip4);
+	struct rtable *rt = ip_route_output_key(net, &fl->u.ip4);
 	if (IS_ERR(rt))
 		return PTR_ERR(rt);
 	*dst = &rt->dst;
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 4b5d457c2d76..89bc7e66d598 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -76,7 +76,7 @@ static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap,
 }
 
 /*
- * Unfortunatly, _b and _mask are not aligned to an int (or long int)
+ * Unfortunately, _b and _mask are not aligned to an int (or long int)
  * Some arches dont care, unrolling the loop is a win on them.
  * For other arches, we only have a 16bit alignement.
  */
@@ -1874,7 +1874,7 @@ static int __init arp_tables_init(void)
 	if (ret < 0)
 		goto err1;
 
-	/* Noone else will be downing sem now, so we won't sleep */
+	/* No one else will be downing sem now, so we won't sleep */
 	ret = xt_register_targets(arpt_builtin_tg, ARRAY_SIZE(arpt_builtin_tg));
 	if (ret < 0)
 		goto err2;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index b09ed0d080f9..704915028009 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -387,7 +387,7 @@ ipt_do_table(struct sk_buff *skb,
 					verdict = (unsigned)(-v) - 1;
 					break;
 				}
-				if (*stackptr == 0) {
+				if (*stackptr <= origptr) {
 					e = get_entry(table_base,
 					    private->underflow[hook]);
 					pr_debug("Underflow (this is normal) "
@@ -427,10 +427,10 @@ ipt_do_table(struct sk_buff *skb,
 			/* Verdict */
 			break;
 	} while (!acpar.hotdrop);
-	xt_info_rdunlock_bh();
 	pr_debug("Exiting %s; resetting sp from %u to %u\n",
 		 __func__, *stackptr, origptr);
 	*stackptr = origptr;
+	xt_info_rdunlock_bh();
 #ifdef DEBUG_ALLOW_ALL
 	return NF_ACCEPT;
 #else
@@ -2233,7 +2233,7 @@ static int __init ip_tables_init(void)
 	if (ret < 0)
 		goto err1;
 
-	/* Noone else will be downing sem now, so we won't sleep */
+	/* No one else will be downing sem now, so we won't sleep */
 	ret = xt_register_targets(ipt_builtin_tg, ARRAY_SIZE(ipt_builtin_tg));
 	if (ret < 0)
 		goto err2;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 403ca57f6011..d609ac3cb9a4 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -664,8 +664,11 @@ static ssize_t clusterip_proc_write(struct file *file, const char __user *input,
 	char buffer[PROC_WRITELEN+1];
 	unsigned long nodenum;
 
-	if (copy_from_user(buffer, input, PROC_WRITELEN))
+	if (size > PROC_WRITELEN)
+		return -EIO;
+	if (copy_from_user(buffer, input, size))
 		return -EFAULT;
+	buffer[size] = 0;
 
 	if (*buffer == '+') {
 		nodenum = simple_strtoul(buffer+1, NULL, 10);
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 21bcf471b25a..9c71b2755ce3 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -521,7 +521,7 @@ int nf_nat_protocol_register(const struct nf_nat_protocol *proto)
 }
 EXPORT_SYMBOL(nf_nat_protocol_register);
 
-/* Noone stores the protocol anywhere; simply delete it. */
+/* No one stores the protocol anywhere; simply delete it. */
 void nf_nat_protocol_unregister(const struct nf_nat_protocol *proto)
 {
 	spin_lock_bh(&nf_nat_lock);
@@ -532,7 +532,7 @@ void nf_nat_protocol_unregister(const struct nf_nat_protocol *proto)
 }
 EXPORT_SYMBOL(nf_nat_protocol_unregister);
 
-/* Noone using conntrack by the time this called. */
+/* No one using conntrack by the time this called. */
 static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
 {
 	struct nf_conn_nat *nat = nf_ct_ext_find(ct, NF_CT_EXT_NAT);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index e837ffd3edc3..bceaec42c37d 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -569,6 +569,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
 		if (IS_ERR(rt)) {
 			err = PTR_ERR(rt);
+			rt = NULL;
 			goto done;
 		}
 	}
@@ -621,7 +622,7 @@ do_confirm:
 static void raw_close(struct sock *sk, long timeout)
 {
 	/*
-	 * Raw sockets may have direct kernel refereneces. Kill them.
+	 * Raw sockets may have direct kernel references. Kill them.
 	 */
 	ip_ra_control(sk, 0, NULL);
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 870b5182ddd8..c1acf69858fd 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -821,7 +821,7 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
 }
 
 /*
- * Pertubation of rt_genid by a small quantity [1..256]
+ * Perturbation of rt_genid by a small quantity [1..256]
  * Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
  * many times (2^24) without giving recent rt_genid.
  * Jenkins hash is strong enough that litle changes of rt_genid are OK.
@@ -1191,7 +1191,7 @@ restart:
 #endif
 	/*
 	 * Since lookup is lockfree, we must make sure
-	 * previous writes to rt are comitted to memory
+	 * previous writes to rt are committed to memory
 	 * before making rt visible to other CPUS.
 	 */
 	rcu_assign_pointer(rt_hash_table[hash].chain, rt);
@@ -1593,8 +1593,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 			rt->rt_peer_genid = rt_peer_genid();
 		}
 		check_peer_pmtu(dst, peer);
-
-		inet_putpeer(peer);
 	}
 }
 
@@ -1720,7 +1718,7 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
 
 		rcu_read_lock();
 		if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res) == 0)
-			src = FIB_RES_PREFSRC(res);
+			src = FIB_RES_PREFSRC(dev_net(rt->dst.dev), res);
 		else
 			src = inet_select_addr(rt->dst.dev, rt->rt_gateway,
 					RT_SCOPE_UNIVERSE);
@@ -1893,6 +1891,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 #ifdef CONFIG_IP_ROUTE_CLASSID
 	rth->dst.tclassid = itag;
 #endif
+	rth->rt_route_iif = dev->ifindex;
 	rth->rt_iif	= dev->ifindex;
 	rth->dst.dev	= init_net.loopback_dev;
 	dev_hold(rth->dst.dev);
@@ -2028,6 +2027,7 @@ static int __mkroute_input(struct sk_buff *skb,
 	rth->rt_key_src	= saddr;
 	rth->rt_src	= saddr;
 	rth->rt_gateway	= daddr;
+	rth->rt_route_iif = in_dev->dev->ifindex;
 	rth->rt_iif 	= in_dev->dev->ifindex;
 	rth->dst.dev	= (out_dev)->dev;
 	dev_hold(rth->dst.dev);
@@ -2204,6 +2204,7 @@ local_input:
 #ifdef CONFIG_IP_ROUTE_CLASSID
 	rth->dst.tclassid = itag;
 #endif
+	rth->rt_route_iif = dev->ifindex;
 	rth->rt_iif	= dev->ifindex;
 	rth->dst.dev	= net->loopback_dev;
 	dev_hold(rth->dst.dev);
@@ -2403,7 +2404,8 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
 	rth->rt_mark    = oldflp4->flowi4_mark;
 	rth->rt_dst	= fl4->daddr;
 	rth->rt_src	= fl4->saddr;
-	rth->rt_iif	= 0;
+	rth->rt_route_iif = 0;
+	rth->rt_iif	= oldflp4->flowi4_oif ? : dev_out->ifindex;
 	/* get references to the devices that are to be hold by the routing
 	   cache entry */
 	rth->dst.dev	= dev_out;
@@ -2617,7 +2619,7 @@ static struct rtable *ip_route_output_slow(struct net *net,
 		fib_select_default(&res);
 
 	if (!fl4.saddr)
-		fl4.saddr = FIB_RES_PREFSRC(res);
+		fl4.saddr = FIB_RES_PREFSRC(net, res);
 
 	dev_out = FIB_RES_DEV(res);
 	fl4.flowi4_oif = dev_out->ifindex;
@@ -2718,6 +2720,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
 		rt->rt_key_dst = ort->rt_key_dst;
 		rt->rt_key_src = ort->rt_key_src;
 		rt->rt_tos = ort->rt_tos;
+		rt->rt_route_iif = ort->rt_route_iif;
 		rt->rt_iif = ort->rt_iif;
 		rt->rt_oif = ort->rt_oif;
 		rt->rt_mark = ort->rt_mark;
@@ -2727,7 +2730,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
 		rt->rt_type = ort->rt_type;
 		rt->rt_dst = ort->rt_dst;
 		rt->rt_src = ort->rt_src;
-		rt->rt_iif = ort->rt_iif;
 		rt->rt_gateway = ort->rt_gateway;
 		rt->rt_spec_dst = ort->rt_spec_dst;
 		rt->peer = ort->peer;
@@ -3221,6 +3223,8 @@ static __net_init int rt_genid_init(struct net *net)
 {
 	get_random_bytes(&net->ipv4.rt_genid,
 			 sizeof(net->ipv4.rt_genid));
+	get_random_bytes(&net->ipv4.dev_addr_genid,
+			 sizeof(net->ipv4.dev_addr_genid));
 	return 0;
 }
 
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 1a456652086b..321e6e84dbcc 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -311,7 +311,6 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_do_large_bitmap,
 	},
-#ifdef CONFIG_IP_MULTICAST
 	{
 		.procname	= "igmp_max_memberships",
 		.data		= &sysctl_igmp_max_memberships,
@@ -319,8 +318,6 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
-
-#endif
 	{
 		.procname	= "igmp_max_msf",
 		.data		= &sysctl_igmp_max_msf,
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index da782e7ab16d..bef9f04c22ba 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2659,7 +2659,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
 #define DBGUNDO(x...) do { } while (0)
 #endif
 
-static void tcp_undo_cwr(struct sock *sk, const int undo)
+static void tcp_undo_cwr(struct sock *sk, const bool undo_ssthresh)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 
@@ -2671,14 +2671,13 @@ static void tcp_undo_cwr(struct sock *sk, const int undo)
 		else
 			tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh << 1);
 
-		if (undo && tp->prior_ssthresh > tp->snd_ssthresh) {
+		if (undo_ssthresh && tp->prior_ssthresh > tp->snd_ssthresh) {
 			tp->snd_ssthresh = tp->prior_ssthresh;
 			TCP_ECN_withdraw_cwr(tp);
 		}
 	} else {
 		tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh);
 	}
-	tcp_moderate_cwnd(tp);
 	tp->snd_cwnd_stamp = tcp_time_stamp;
 }
 
@@ -2699,7 +2698,7 @@ static int tcp_try_undo_recovery(struct sock *sk)
 		 * or our original transmission succeeded.
 		 */
 		DBGUNDO(sk, inet_csk(sk)->icsk_ca_state == TCP_CA_Loss ? "loss" : "retrans");
-		tcp_undo_cwr(sk, 1);
+		tcp_undo_cwr(sk, true);
 		if (inet_csk(sk)->icsk_ca_state == TCP_CA_Loss)
 			mib_idx = LINUX_MIB_TCPLOSSUNDO;
 		else
@@ -2726,7 +2725,7 @@ static void tcp_try_undo_dsack(struct sock *sk)
 
 	if (tp->undo_marker && !tp->undo_retrans) {
 		DBGUNDO(sk, "D-SACK");
-		tcp_undo_cwr(sk, 1);
+		tcp_undo_cwr(sk, true);
 		tp->undo_marker = 0;
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDSACKUNDO);
 	}
@@ -2779,7 +2778,7 @@ static int tcp_try_undo_partial(struct sock *sk, int acked)
 		tcp_update_reordering(sk, tcp_fackets_out(tp) + acked, 1);
 
 		DBGUNDO(sk, "Hoe");
-		tcp_undo_cwr(sk, 0);
+		tcp_undo_cwr(sk, false);
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPARTIALUNDO);
 
 		/* So... Do not make Hoe's retransmit yet.
@@ -2808,7 +2807,7 @@ static int tcp_try_undo_loss(struct sock *sk)
 
 		DBGUNDO(sk, "partial loss");
 		tp->lost_out = 0;
-		tcp_undo_cwr(sk, 1);
+		tcp_undo_cwr(sk, true);
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPLOSSUNDO);
 		inet_csk(sk)->icsk_retransmits = 0;
 		tp->undo_marker = 0;
@@ -2822,8 +2821,11 @@ static int tcp_try_undo_loss(struct sock *sk)
 static inline void tcp_complete_cwr(struct sock *sk)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
-	tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);
-	tp->snd_cwnd_stamp = tcp_time_stamp;
+	/* Do not moderate cwnd if it's already undone in cwr or recovery */
+	if (tp->undo_marker && tp->snd_cwnd > tp->snd_ssthresh) {
+		tp->snd_cwnd = tp->snd_ssthresh;
+		tp->snd_cwnd_stamp = tcp_time_stamp;
+	}
 	tcp_ca_event(sk, CA_EVENT_COMPLETE_CWR);
 }
 
@@ -3494,7 +3496,7 @@ static void tcp_undo_spur_to_response(struct sock *sk, int flag)
 	if (flag & FLAG_ECE)
 		tcp_ratehalving_spur_to_response(sk);
 	else
-		tcp_undo_cwr(sk, 1);
+		tcp_undo_cwr(sk, true);
 }
 
 /* F-RTO spurious RTO detection algorithm (RFC4138)
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index 656d431c99ad..72f7218b03f5 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -12,7 +12,7 @@
  *     within cong_avoid.
  *   o Error correcting in remote HZ, therefore remote HZ will be keeped
  *     on checking and updating.
- *   o Handling calculation of One-Way-Delay (OWD) within rtt_sample, sicne
+ *   o Handling calculation of One-Way-Delay (OWD) within rtt_sample, since
  *     OWD have a similar meaning as RTT. Also correct the buggy formular.
  *   o Handle reaction for Early Congestion Indication (ECI) within
  *     pkts_acked, as mentioned within pseudo code.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index dfa5beb0c1c8..17388c7f49c4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -73,7 +73,7 @@ static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
 	tcp_advance_send_head(sk, skb);
 	tp->snd_nxt = TCP_SKB_CB(skb)->end_seq;
 
-	/* Don't override Nagle indefinately with F-RTO */
+	/* Don't override Nagle indefinitely with F-RTO */
 	if (tp->frto_counter == 2)
 		tp->frto_counter = 3;
 
@@ -1003,7 +1003,8 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len,
 	int nlen;
 	u8 flags;
 
-	BUG_ON(len > skb->len);
+	if (WARN_ON(len > skb->len))
+		return -EINVAL;
 
 	nsize = skb_headlen(skb) - len;
 	if (nsize < 0)
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index dc7f43179c9a..05c3b6f0e8e1 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -20,7 +20,7 @@
 #define TCP_YEAH_DELTA        3 //log minimum fraction of cwnd to be removed on loss
 #define TCP_YEAH_EPSILON      1 //log maximum fraction to be removed on early decongestion
 #define TCP_YEAH_PHY          8 //lin maximum delta from base
-#define TCP_YEAH_RHO         16 //lin minumum number of consecutive rtt to consider competition on loss
+#define TCP_YEAH_RHO         16 //lin minimum number of consecutive rtt to consider competition on loss
 #define TCP_YEAH_ZETA        50 //lin minimum number of state switchs to reset reno_count
 
 #define TCP_SCALABLE_AI_CNT	 100U
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 588f47af5faf..f87a8eb76f3b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -189,7 +189,7 @@ static int udp_lib_lport_inuse2(struct net *net, __u16 num,
  *  @sk:          socket struct in question
  *  @snum:        port number to look up
  *  @saddr_comp:  AF-dependent comparison of bound local IP addresses
- *  @hash2_nulladdr: AF-dependant hash value in secondary hash chains,
+ *  @hash2_nulladdr: AF-dependent hash value in secondary hash chains,
  *                   with NULL address
  */
 int udp_lib_get_port(struct sock *sk, unsigned short snum,
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 13e0e7f659ff..d20a05e970d8 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -74,6 +74,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
 	rt->rt_key_dst = fl4->daddr;
 	rt->rt_key_src = fl4->saddr;
 	rt->rt_tos = fl4->flowi4_tos;
+	rt->rt_route_iif = fl4->flowi4_iif;
 	rt->rt_iif = fl4->flowi4_iif;
 	rt->rt_oif = fl4->flowi4_oif;
 	rt->rt_mark = fl4->flowi4_mark;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3daaf3c7703c..1493534116df 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1084,7 +1084,7 @@ static int ipv6_get_saddr_eval(struct net *net,
 	case IPV6_SADDR_RULE_PRIVACY:
 	    {
 		/* Rule 7: Prefer public address
-		 * Note: prefer temprary address if use_tempaddr >= 2
+		 * Note: prefer temporary address if use_tempaddr >= 2
 		 */
 		int preftmp = dst->prefs & (IPV6_PREFER_SRC_PUBLIC|IPV6_PREFER_SRC_TMP) ?
 				!!(dst->prefs & IPV6_PREFER_SRC_TMP) :
@@ -1968,7 +1968,7 @@ ok:
 					 *  to the stored lifetime since we'll
 					 *  be updating the timestamp below,
 					 *  else we'll set it back to the
-					 *  minumum.
+					 *  minimum.
 					 */
 					if (prefered_lft != ifp->prefered_lft) {
 						valid_lft = stored_lft;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 4b13d5d8890e..afcc7099f96d 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -1113,7 +1113,7 @@ static int __init inet6_init(void)
 	/*
 	 *	ipngwg API draft makes clear that the correct semantics
 	 *	for TCP and UDP is to consider one TCP and UDP instance
-	 *	in a host availiable by both INET and INET6 APIs and
+	 *	in a host available by both INET and INET6 APIs and
 	 *	able to communicate via both network protocols.
 	 */
 
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 166054650466..f2c5b0fc0f21 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -44,7 +44,7 @@ int inet6_csk_bind_conflict(const struct sock *sk,
 		     !sk2->sk_bound_dev_if ||
 		     sk->sk_bound_dev_if == sk2->sk_bound_dev_if) &&
 		    (!sk->sk_reuse || !sk2->sk_reuse ||
-		     ((1 << sk2->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))) &&
+		     sk2->sk_state == TCP_LISTEN) &&
 		     ipv6_rcv_saddr_equal(sk, sk2))
 			break;
 	}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 18208876aa8a..46cf7bea6769 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -779,7 +779,7 @@ slow_path:
 		/* IF: it doesn't fit, use 'mtu' - the data space left */
 		if (len > mtu)
 			len = mtu;
-		/* IF: we are not sending upto and including the packet end
+		/* IF: we are not sending up to and including the packet end
 		   then align the next start on an eight byte boundary */
 		if (len < left)	{
 			len &= ~7;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 7ff0343e05c7..29e48593bf22 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -663,7 +663,7 @@ static int pim6_rcv(struct sk_buff *skb)
 	skb_pull(skb, (u8 *)encap - skb->data);
 	skb_reset_network_header(skb);
 	skb->protocol = htons(ETH_P_IPV6);
-	skb->ip_summed = 0;
+	skb->ip_summed = CHECKSUM_NONE;
 	skb->pkt_type = PACKET_HOST;
 
 	skb_tunnel_rx(skb, reg_dev);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0e49c9db3c98..92f952d093db 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -341,6 +341,8 @@ int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int d
 	case ARPHRD_INFINIBAND:
 		ipv6_ib_mc_map(addr, dev->broadcast, buf);
 		return 0;
+	case ARPHRD_IPGRE:
+		return ipv6_ipgre_mc_map(addr, dev->broadcast, buf);
 	default:
 		if (dir) {
 			memcpy(buf, dev->broadcast, dev->addr_len);
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 39aaca2b4fd2..28bc1f644b7b 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -90,9 +90,18 @@ static int nf_ip6_reroute(struct sk_buff *skb,
 	return 0;
 }
 
-static int nf_ip6_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip6_route(struct net *net, struct dst_entry **dst,
+			struct flowi *fl, bool strict)
 {
-	*dst = ip6_route_output(&init_net, NULL, &fl->u.ip6);
+	static const struct ipv6_pinfo fake_pinfo;
+	static const struct inet_sock fake_sk = {
+		/* makes ip6_route_output set RT6_LOOKUP_F_IFACE: */
+		.sk.sk_bound_dev_if = 1,
+		.pinet6 = (struct ipv6_pinfo *) &fake_pinfo,
+	};
+	const void *sk = strict ? &fake_sk : NULL;
+
+	*dst = ip6_route_output(net, sk, &fl->u.ip6);
 	return (*dst)->error;
 }
 
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index c9598a9067d7..5a1c6f27ffaf 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -410,7 +410,7 @@ ip6t_do_table(struct sk_buff *skb,
 					verdict = (unsigned)(-v) - 1;
 					break;
 				}
-				if (*stackptr == 0)
+				if (*stackptr <= origptr)
 					e = get_entry(table_base,
 					    private->underflow[hook]);
 				else
@@ -441,8 +441,8 @@ ip6t_do_table(struct sk_buff *skb,
 			break;
 	} while (!acpar.hotdrop);
 
-	xt_info_rdunlock_bh();
 	*stackptr = origptr;
+	xt_info_rdunlock_bh();
 
 #ifdef DEBUG_ALLOW_ALL
 	return NF_ACCEPT;
@@ -2248,7 +2248,7 @@ static int __init ip6_tables_init(void)
 	if (ret < 0)
 		goto err1;
 
-	/* Noone else will be downing sem now, so we won't sleep */
+	/* No one else will be downing sem now, so we won't sleep */
 	ret = xt_register_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg));
 	if (ret < 0)
 		goto err2;
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
index 97c5b21b9674..cdd6d045e42e 100644
--- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -71,7 +71,7 @@ static unsigned int ipv6_defrag(unsigned int hooknum,
 	if (reasm == NULL)
 		return NF_STOLEN;
 
-	/* error occured or not fragmented */
+	/* error occurred or not fragmented */
 	if (reasm == skb)
 		return NF_ACCEPT;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6814c8722fa7..843406f14d7b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -854,7 +854,7 @@ static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table
 	return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags);
 }
 
-struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
+struct dst_entry * ip6_route_output(struct net *net, const struct sock *sk,
 				    struct flowi6 *fl6)
 {
 	int flags = 0;
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 7cb65ef79f9c..6dcf5e7d661b 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -17,6 +17,16 @@
 
 static struct ctl_table empty[1];
 
+static ctl_table ipv6_static_skeleton[] = {
+	{
+		.procname	= "neigh",
+		.maxlen		= 0,
+		.mode		= 0555,
+		.child		= empty,
+	},
+	{ }
+};
+
 static ctl_table ipv6_table_template[] = {
 	{
 		.procname	= "route",
@@ -37,12 +47,6 @@ static ctl_table ipv6_table_template[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
-	{
-		.procname	= "neigh",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= empty,
-	},
 	{ }
 };
 
@@ -160,7 +164,7 @@ static struct ctl_table_header *ip6_base;
 
 int ipv6_static_sysctl_register(void)
 {
-	ip6_base = register_sysctl_paths(net_ipv6_ctl_path, empty);
+	ip6_base = register_sysctl_paths(net_ipv6_ctl_path, ipv6_static_skeleton);
 	if (ip6_base == NULL)
 		return -ENOMEM;
 	return 0;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2b0c186862c8..4f49e5dd41bb 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -503,6 +503,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
 	dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
 	if (IS_ERR(dst)) {
 		err = PTR_ERR(dst);
+		dst = NULL;
 		goto done;
 	}
 	skb = tcp_make_synack(sk, dst, req, rvp);
@@ -1621,6 +1622,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 		opt_skb = skb_clone(skb, GFP_ATOMIC);
 
 	if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
+		sock_rps_save_rxhash(sk, skb->rxhash);
 		if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len))
 			goto reset;
 		if (opt_skb)
@@ -1648,7 +1650,8 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 				__kfree_skb(opt_skb);
 			return 0;
 		}
-	}
+	} else
+		sock_rps_save_rxhash(sk, skb->rxhash);
 
 	if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len))
 		goto reset;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d7037c006e13..15c37746845e 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -505,6 +505,9 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 	int rc;
 	int is_udplite = IS_UDPLITE(sk);
 
+	if (!ipv6_addr_any(&inet6_sk(sk)->daddr))
+		sock_rps_save_rxhash(sk, skb->rxhash);
+
 	if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
 		goto drop;
 
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 2731b51923d1..9680226640ef 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -148,7 +148,6 @@ static void ipx_destroy_socket(struct sock *sk)
 	ipx_remove_socket(sk);
 	skb_queue_purge(&sk->sk_receive_queue);
 	sk_refcnt_debug_dec(sk);
-	sock_put(sk);
 }
 
 /*
@@ -1404,6 +1403,7 @@ static int ipx_release(struct socket *sock)
 	sk_refcnt_debug_release(sk);
 	ipx_destroy_socket(sk);
 	release_sock(sk);
+	sock_put(sk);
 out:
 	return 0;
 }
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index c9890e25cd4c..cc616974a447 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1297,8 +1297,7 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
 	/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
 	if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR | MSG_CMSG_COMPAT |
 			       MSG_NOSIGNAL)) {
-		err = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	lock_sock(sk);
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 5b743bdd89ba..36477538cea8 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -656,10 +656,16 @@ static void iriap_getvaluebyclass_indication(struct iriap_cb *self,
 	n = 1;
 
 	name_len = fp[n++];
+
+	IRDA_ASSERT(name_len < IAS_MAX_CLASSNAME + 1, return;);
+
 	memcpy(name, fp+n, name_len); n+=name_len;
 	name[name_len] = '\0';
 
 	attr_len = fp[n++];
+
+	IRDA_ASSERT(attr_len < IAS_MAX_ATTRIBNAME + 1, return;);
+
 	memcpy(attr, fp+n, attr_len); n+=attr_len;
 	attr[attr_len] = '\0';
 
diff --git a/net/irda/irlap.c b/net/irda/irlap.c
index 783c5f367d29..005b424494a0 100644
--- a/net/irda/irlap.c
+++ b/net/irda/irlap.c
@@ -165,7 +165,7 @@ struct irlap_cb *irlap_open(struct net_device *dev, struct qos_info *qos,
 
 	irlap_apply_default_connection_parameters(self);
 
-	self->N3 = 3; /* # connections attemts to try before giving up */
+	self->N3 = 3; /* # connections attempts to try before giving up */
 
 	self->state = LAP_NDM;
 
diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index d434c8880745..bb47021c9a55 100644
--- a/net/irda/irlap_event.c
+++ b/net/irda/irlap_event.c
@@ -708,7 +708,7 @@ static int irlap_state_reply(struct irlap_cb *self, IRLAP_EVENT event,
 
 				self->frame_sent = TRUE;
 			}
-			/* Readjust our timer to accomodate devices
+			/* Readjust our timer to accommodate devices
 			 * doing faster or slower discovery than us...
 			 * Jean II */
 			irlap_start_query_timer(self, info->S, info->s);
@@ -931,7 +931,7 @@ static int irlap_state_setup(struct irlap_cb *self, IRLAP_EVENT event,
 		irlap_send_rr_frame(self, CMD_FRAME);
 
 		/* The timer is set to half the normal timer to quickly
-		 * detect a failure to negociate the new connection
+		 * detect a failure to negotiate the new connection
 		 * parameters. IrLAP 6.11.3.2, note 3.
 		 * Note that currently we don't process this failure
 		 * properly, as we should do a quick disconnect.
@@ -1052,7 +1052,7 @@ static int irlap_state_xmit_p(struct irlap_cb *self, IRLAP_EVENT event,
 				return -EPROTO;
 			}
 
-			/* Substract space used by this skb */
+			/* Subtract space used by this skb */
 			self->bytes_left -= skb->len;
 #else	/* CONFIG_IRDA_DYNAMIC_WINDOW */
 			/* Window has been adjusted for the max packet
@@ -1808,7 +1808,7 @@ static int irlap_state_xmit_s(struct irlap_cb *self, IRLAP_EVENT event,
 
 				return -EPROTO; /* Try again later */
 			}
-			/* Substract space used by this skb */
+			/* Subtract space used by this skb */
 			self->bytes_left -= skb->len;
 #else	/* CONFIG_IRDA_DYNAMIC_WINDOW */
 			/* Window has been adjusted for the max packet
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 688222cbf55b..8c004161a843 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -848,7 +848,7 @@ void irlap_send_data_primary_poll(struct irlap_cb *self, struct sk_buff *skb)
 	 * though IrLAP is currently sending the *last* frame of the
 	 * tx-window, the driver most likely has only just started
 	 * sending the *first* frame of the same tx-window.
-	 * I.e. we are always at the very begining of or Tx window.
+	 * I.e. we are always at the very beginning of or Tx window.
 	 * Now, we are supposed to set the final timer from the end
 	 * of our tx-window to let the other peer reply. So, we need
 	 * to add extra time to compensate for the fact that we
diff --git a/net/irda/irlmp_event.c b/net/irda/irlmp_event.c
index c1fb5db81042..9505a7d06f1a 100644
--- a/net/irda/irlmp_event.c
+++ b/net/irda/irlmp_event.c
@@ -498,7 +498,7 @@ static int irlmp_state_disconnected(struct lsap_cb *self, IRLMP_EVENT event,
 	switch (event) {
 #ifdef CONFIG_IRDA_ULTRA
 	case LM_UDATA_INDICATION:
-		/* This is most bizzare. Those packets are  aka unreliable
+		/* This is most bizarre. Those packets are  aka unreliable
 		 * connected, aka IrLPT or SOCK_DGRAM/IRDAPROTO_UNITDATA.
 		 * Why do we pass them as Ultra ??? Jean II */
 		irlmp_connless_data_indication(self, skb);
diff --git a/net/irda/irnet/irnet.h b/net/irda/irnet/irnet.h
index 0d82ff5aeff1..979ecb2435a7 100644
--- a/net/irda/irnet/irnet.h
+++ b/net/irda/irnet/irnet.h
@@ -73,7 +73,7 @@
  * Infinite thanks to those brave souls for providing the infrastructure
  * upon which IrNET is built.
  *
- * Thanks to all my collegues in HP for helping me. In particular,
+ * Thanks to all my colleagues in HP for helping me. In particular,
  * thanks to Salil Pradhan and Bill Serra for W2k testing...
  * Thanks to Luiz Magalhaes for irnetd and much testing...
  *
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 7c567b8aa89a..2bb2beb6a373 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -105,6 +105,9 @@ irnet_ctrl_write(irnet_socket *	ap,
 	      while(isspace(start[length - 1]))
 		length--;
 
+	      DABORT(length < 5 || length > NICKNAME_MAX_LEN + 5,
+		     -EINVAL, CTRL_ERROR, "Invalid nickname.\n");
+
 	      /* Copy the name for later reuse */
 	      memcpy(ap->rname, start + 5, length - 5);
 	      ap->rname[length - 5] = '\0';
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index 849aaf0dabb5..9715e6e5900b 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -40,7 +40,7 @@
  *	o the hash function for ints is pathetic (but could be changed)
  *	o locking is sometime suspicious (especially during enumeration)
  *	o most users have only a few elements (== overhead)
- *	o most users never use seach, so don't benefit from hashing
+ *	o most users never use search, so don't benefit from hashing
  * Problem already fixed :
  *	o not 64 bit compliant (most users do hashv = (int) self)
  *	o hashbin_remove() is broken => use hashbin_remove_this()
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index f6054f9ccbe3..9d9af4606970 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1193,7 +1193,7 @@ EXPORT_SYMBOL(irttp_connect_request);
 /*
  * Function irttp_connect_confirm (handle, qos, skb)
  *
- *    Sevice user confirms TSAP connection with peer.
+ *    Service user confirms TSAP connection with peer.
  *
  */
 static void irttp_connect_confirm(void *instance, void *sap,
diff --git a/net/irda/qos.c b/net/irda/qos.c
index 2b00974e5bae..1b51bcf42394 100644
--- a/net/irda/qos.c
+++ b/net/irda/qos.c
@@ -39,16 +39,16 @@
 #include <net/irda/irlap_frame.h>
 
 /*
- * Maximum values of the baud rate we negociate with the other end.
+ * Maximum values of the baud rate we negotiate with the other end.
  * Most often, you don't have to change that, because Linux-IrDA will
  * use the maximum offered by the link layer, which usually works fine.
  * In some very rare cases, you may want to limit it to lower speeds...
  */
 int sysctl_max_baud_rate = 16000000;
 /*
- * Maximum value of the lap disconnect timer we negociate with the other end.
+ * Maximum value of the lap disconnect timer we negotiate with the other end.
  * Most often, the value below represent the best compromise, but some user
- * may want to keep the LAP alive longuer or shorter in case of link failure.
+ * may want to keep the LAP alive longer or shorter in case of link failure.
  * Remember that the threshold time (early warning) is fixed to 3s...
  */
 int sysctl_max_noreply_time = 12;
@@ -411,7 +411,7 @@ static void irlap_adjust_qos_settings(struct qos_info *qos)
 	 * Fix tx data size according to user limits - Jean II
 	 */
 	if (qos->data_size.value > sysctl_max_tx_data_size)
-		/* Allow non discrete adjustement to avoid loosing capacity */
+		/* Allow non discrete adjustement to avoid losing capacity */
 		qos->data_size.value = sysctl_max_tx_data_size;
 	/*
 	 * Override Tx window if user request it. - Jean II
diff --git a/net/irda/timer.c b/net/irda/timer.c
index 0335ba0cc593..f418cb2ad49c 100644
--- a/net/irda/timer.c
+++ b/net/irda/timer.c
@@ -59,7 +59,7 @@ void irlap_start_query_timer(struct irlap_cb *self, int S, int s)
 	 * slot time, plus add some extra time to properly receive the last
 	 * discovery packet (which is longer due to extra discovery info),
 	 * to avoid messing with for incomming connections requests and
-	 * to accomodate devices that perform discovery slower than us.
+	 * to accommodate devices that perform discovery slower than us.
 	 * Jean II */
 	timeout = ((sysctl_slot_timeout * HZ / 1000) * (S - s)
 		   + XIDEXTRA_TIMEOUT + SMALLBUSY_TIMEOUT);
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 9637e45744fa..986b2a5e8769 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -250,7 +250,7 @@ static struct device *af_iucv_dev;
  *	PRMDATA[0..6]	socket data (max 7 bytes);
  *	PRMDATA[7]	socket data length value (len is 0xff - PRMDATA[7])
  *
- * The socket data length is computed by substracting the socket data length
+ * The socket data length is computed by subtracting the socket data length
  * value from 0xFF.
  * If the socket data len is greater 7, then PRMDATA can be used for special
  * notifications (see iucv_sock_shutdown); and further,
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 1ee5dab3cfae..8f156bd86be7 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -735,7 +735,7 @@ static void iucv_cleanup_queue(void)
 	struct iucv_irq_list *p, *n;
 
 	/*
-	 * When a path is severed, the pathid can be reused immediatly
+	 * When a path is severed, the pathid can be reused immediately
 	 * on a iucv connect or a connection pending interrupt. Remove
 	 * all entries from the task queue that refer to a stale pathid
 	 * (iucv_path_table[ix] == NULL). Only then do the iucv connect
@@ -807,7 +807,7 @@ void iucv_unregister(struct iucv_handler *handler, int smp)
 	spin_lock_bh(&iucv_table_lock);
 	/* Remove handler from the iucv_handler_list. */
 	list_del_init(&handler->list);
-	/* Sever all pathids still refering to the handler. */
+	/* Sever all pathids still referring to the handler. */
 	list_for_each_entry_safe(p, n, &handler->paths, list) {
 		iucv_sever_pathid(p->pathid, NULL);
 		iucv_path_table[p->pathid] = NULL;
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 8d9ce0accc98..a8193f52c13c 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -283,7 +283,7 @@ static __net_init int l2tp_eth_init_net(struct net *net)
 	return 0;
 }
 
-static __net_initdata struct pernet_operations l2tp_eth_net_ops = {
+static struct pernet_operations l2tp_eth_net_ops = {
 	.init = l2tp_eth_init_net,
 	.id   = &l2tp_eth_net_id,
 	.size = sizeof(struct l2tp_eth_net),
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index 058f1e9a9128..903242111317 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -121,8 +121,7 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
 		s32 data_size = ntohs(pdulen) - llc_len;
 
 		if (data_size < 0 ||
-		    ((skb_tail_pointer(skb) -
-		      (u8 *)pdu) - llc_len) < data_size)
+		    !pskb_may_pull(skb, data_size))
 			return 0;
 		if (unlikely(pskb_trim_rcsum(skb, data_size)))
 			return 0;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a40401701424..c18396c248d7 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -97,7 +97,7 @@ struct ieee80211_bss {
 	size_t supp_rates_len;
 
 	/*
-	 * During assocation, we save an ERP value from a probe response so
+	 * During association, we save an ERP value from a probe response so
 	 * that we can feed ERP info to the driver when handling the
 	 * association completes. these fields probably won't be up-to-date
 	 * otherwise, you probably don't want to use them.
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 8c02469b7176..af3c56482c80 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -342,7 +342,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
 		if (IS_ERR(key->u.ccmp.tfm)) {
 			err = PTR_ERR(key->u.ccmp.tfm);
 			kfree(key);
-			key = ERR_PTR(err);
+			return ERR_PTR(err);
 		}
 		break;
 	case WLAN_CIPHER_SUITE_AES_CMAC:
@@ -360,7 +360,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
 		if (IS_ERR(key->u.aes_cmac.tfm)) {
 			err = PTR_ERR(key->u.aes_cmac.tfm);
 			kfree(key);
-			key = ERR_PTR(err);
+			return ERR_PTR(err);
 		}
 		break;
 	}
@@ -400,11 +400,12 @@ int ieee80211_key_link(struct ieee80211_key *key,
 {
 	struct ieee80211_key *old_key;
 	int idx, ret;
-	bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
+	bool pairwise;
 
 	BUG_ON(!sdata);
 	BUG_ON(!key);
 
+	pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
 	idx = key->conf.keyidx;
 	key->local = sdata->local;
 	key->sdata = sdata;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 8d65b47d9837..336ca9d0c5c4 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -628,7 +628,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
  *
  * @mpath: mesh path whose queue has to be freed
  *
- * Locking: the function must me called withing a rcu_read_lock region
+ * Locking: the function must me called within a rcu_read_lock region
  */
 void mesh_path_flush_pending(struct mesh_path *mpath)
 {
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 8212a8bebf06..c06aa3ac6b9d 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -259,7 +259,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 		}
 	}
 
-	/* try to sample up to half of the availble rates during each interval */
+	/* try to sample up to half of the available rates during each interval */
 	mi->sample_count *= 4;
 
 	cur_prob = 0;
@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 	struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
 	struct ieee80211_local *local = hw_to_local(mp->hw);
 	u16 sta_cap = sta->ht_cap.cap;
+	int n_supported = 0;
 	int ack_dur;
 	int stbc;
 	int i;
 
 	/* fall back to the old minstrel for legacy stations */
-	if (!sta->ht_cap.ht_supported) {
-		msp->is_ht = false;
-		memset(&msp->legacy, 0, sizeof(msp->legacy));
-		msp->legacy.r = msp->ratelist;
-		msp->legacy.sample_table = msp->sample_table;
-		return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
-	}
+	if (!sta->ht_cap.ht_supported)
+		goto use_legacy;
 
 	BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
 		MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 
 		mi->groups[i].supported =
 			mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
+
+		if (mi->groups[i].supported)
+			n_supported++;
 	}
+
+	if (!n_supported)
+		goto use_legacy;
+
+	return;
+
+use_legacy:
+	msp->is_ht = false;
+	memset(&msp->legacy, 0, sizeof(msp->legacy));
+	msp->legacy.r = msp->ratelist;
+	msp->legacy.sample_table = msp->sample_table;
+	return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
 }
 
 static void
diff --git a/net/mac80211/rc80211_pid.h b/net/mac80211/rc80211_pid.h
index 6510f8ee738e..19111c7bf454 100644
--- a/net/mac80211/rc80211_pid.h
+++ b/net/mac80211/rc80211_pid.h
@@ -77,7 +77,7 @@ union rc_pid_event_data {
 };
 
 struct rc_pid_event {
-	/* The time when the event occured */
+	/* The time when the event occurred */
 	unsigned long timestamp;
 
 	/* Event ID number */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5c1930ba8ebe..c5d4530d8284 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -381,7 +381,7 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
  * specs were sane enough this time around to require padding each A-MSDU
  * subframe to a length that is a multiple of four.
  *
- * Padding like Atheros hardware adds which is inbetween the 802.11 header and
+ * Padding like Atheros hardware adds which is between the 802.11 header and
  * the payload is not supported, the driver is required to move the 802.11
  * header to be directly in front of the payload in that case.
  */
@@ -612,7 +612,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
 				skipped++;
 				continue;
 			}
-			if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
+			if (skipped &&
+			    !time_after(jiffies, tid_agg_rx->reorder_time[j] +
 					HT_RX_REORDER_BUF_TIMEOUT))
 				goto set_release_timer;
 
@@ -2540,7 +2541,6 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx)
 		 * same TID from the same station
 		 */
 		rx->skb = skb;
-		rx->flags = 0;
 
 		CALL_RXH(ieee80211_rx_h_decrypt)
 		CALL_RXH(ieee80211_rx_h_check_more_data)
@@ -2611,6 +2611,7 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
 		.sdata = sta->sdata,
 		.local = sta->local,
 		.queue = tid,
+		.flags = 0,
 	};
 	struct tid_ampdu_rx *tid_agg_rx;
 
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 5a11078827ab..13e8c30adf01 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -47,9 +47,9 @@
  * Station entries are added by mac80211 when you establish a link with a
  * peer. This means different things for the different type of interfaces
  * we support. For a regular station this mean we add the AP sta when we
- * receive an assocation response from the AP. For IBSS this occurs when
+ * receive an association response from the AP. For IBSS this occurs when
  * get to know about a peer on the same IBSS. For WDS we add the sta for
- * the peer imediately upon device open. When using AP mode we add stations
+ * the peer immediately upon device open. When using AP mode we add stations
  * for each respective station upon request from userspace through nl80211.
  *
  * In order to remove a STA info structure, various sta_info_destroy_*()
@@ -243,6 +243,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	memcpy(sta->sta.addr, addr, ETH_ALEN);
 	sta->local = local;
 	sta->sdata = sdata;
+	sta->last_rx = jiffies;
 
 	ewma_init(&sta->avg_signal, 1024, 8);
 
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 57681149e37f..b2f95966c7f4 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -173,7 +173,7 @@ struct sta_ampdu_mlme {
 /**
  * enum plink_state - state of a mesh peer link finite state machine
  *
- * @PLINK_LISTEN: initial state, considered the implicit state of non existant
+ * @PLINK_LISTEN: initial state, considered the implicit state of non existent
  * 	mesh peer links
  * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh peer
  * @PLINK_OPN_RCVD: mesh plink open frame has been received from this mesh peer
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index c3f988aa1152..32bff6d86cb2 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -652,7 +652,6 @@ comment "Xtables matches"
 config NETFILTER_XT_MATCH_ADDRTYPE
 	tristate '"addrtype" address type match support'
 	depends on NETFILTER_ADVANCED
-	depends on (IPV6 || IPV6=n)
 	---help---
 	  This option allows you to match what routing thinks of an address,
 	  eg. UNICAST, LOCAL, BROADCAST, ...
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index cc2992299e74..ba2d16607f48 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -338,8 +338,7 @@ bitmap_ip_head(struct ip_set *set, struct sk_buff *skb)
 	NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP_TO, htonl(map->last_ip));
 	if (map->netmask != 32)
 		NLA_PUT_U8(skb, IPSET_ATTR_NETMASK, map->netmask);
-	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
-		      htonl(atomic_read(&set->ref) - 1));
+	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
 	NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
 		      htonl(sizeof(*map) + map->memsize));
 	if (with_timeout(map->timeout))
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 5e790172deff..a274300b6a56 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -343,6 +343,10 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
 	ipset_adtfn adtfn = set->variant->adt[adt];
 	struct ipmac data;
 
+	/* MAC can be src only */
+	if (!(flags & IPSET_DIM_TWO_SRC))
+		return 0;
+
 	data.id = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
 	if (data.id < map->first_ip || data.id > map->last_ip)
 		return -IPSET_ERR_BITMAP_RANGE;
@@ -434,8 +438,7 @@ bitmap_ipmac_head(struct ip_set *set, struct sk_buff *skb)
 		goto nla_put_failure;
 	NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, htonl(map->first_ip));
 	NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP_TO, htonl(map->last_ip));
-	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
-		      htonl(atomic_read(&set->ref) - 1));
+	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
 	NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
 		      htonl(sizeof(*map)
 			    + (map->last_ip - map->first_ip + 1) * map->dsize));
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 165f09b1a9cb..6b38eb8f6ed8 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -320,8 +320,7 @@ bitmap_port_head(struct ip_set *set, struct sk_buff *skb)
 		goto nla_put_failure;
 	NLA_PUT_NET16(skb, IPSET_ATTR_PORT, htons(map->first_port));
 	NLA_PUT_NET16(skb, IPSET_ATTR_PORT_TO, htons(map->last_port));
-	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
-		      htonl(atomic_read(&set->ref) - 1));
+	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
 	NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
 		      htonl(sizeof(*map) + map->memsize));
 	if (with_timeout(map->timeout))
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 618a615acc9d..72d1ac611fdc 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -26,6 +26,7 @@
 
 static LIST_HEAD(ip_set_type_list);		/* all registered set types */
 static DEFINE_MUTEX(ip_set_type_mutex);		/* protects ip_set_type_list */
+static DEFINE_RWLOCK(ip_set_ref_lock);		/* protects the set refs */
 
 static struct ip_set **ip_set_list;		/* all individual sets */
 static ip_set_id_t ip_set_max = CONFIG_IP_SET_MAX; /* max number of sets */
@@ -94,16 +95,28 @@ static int
 find_set_type_get(const char *name, u8 family, u8 revision,
 		  struct ip_set_type **found)
 {
+	struct ip_set_type *type;
+	int err;
+
 	rcu_read_lock();
 	*found = find_set_type(name, family, revision);
 	if (*found) {
-		int err = !try_module_get((*found)->me);
-		rcu_read_unlock();
-		return err ? -EFAULT : 0;
+		err = !try_module_get((*found)->me) ? -EFAULT : 0;
+		goto unlock;
 	}
+	/* Make sure the type is loaded but we don't support the revision */
+	list_for_each_entry_rcu(type, &ip_set_type_list, list)
+		if (STREQ(type->name, name)) {
+			err = -IPSET_ERR_FIND_TYPE;
+			goto unlock;
+		}
 	rcu_read_unlock();
 
 	return try_to_load_type(name);
+
+unlock:
+	rcu_read_unlock();
+	return err;
 }
 
 /* Find a given set type by name and family.
@@ -116,7 +129,7 @@ find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max)
 	struct ip_set_type *type;
 	bool found = false;
 
-	*min = *max = 0;
+	*min = 255; *max = 0;
 	rcu_read_lock();
 	list_for_each_entry_rcu(type, &ip_set_type_list, list)
 		if (STREQ(type->name, name) &&
@@ -124,7 +137,7 @@ find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max)
 			found = true;
 			if (type->revision < *min)
 				*min = type->revision;
-			else if (type->revision > *max)
+			if (type->revision > *max)
 				*max = type->revision;
 		}
 	rcu_read_unlock();
@@ -289,13 +302,18 @@ EXPORT_SYMBOL_GPL(ip_set_get_ipaddr6);
 static inline void
 __ip_set_get(ip_set_id_t index)
 {
-	atomic_inc(&ip_set_list[index]->ref);
+	write_lock_bh(&ip_set_ref_lock);
+	ip_set_list[index]->ref++;
+	write_unlock_bh(&ip_set_ref_lock);
 }
 
 static inline void
 __ip_set_put(ip_set_id_t index)
 {
-	atomic_dec(&ip_set_list[index]->ref);
+	write_lock_bh(&ip_set_ref_lock);
+	BUG_ON(ip_set_list[index]->ref == 0);
+	ip_set_list[index]->ref--;
+	write_unlock_bh(&ip_set_ref_lock);
 }
 
 /*
@@ -312,7 +330,7 @@ ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
 	struct ip_set *set = ip_set_list[index];
 	int ret = 0;
 
-	BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+	BUG_ON(set == NULL);
 	pr_debug("set %s, index %u\n", set->name, index);
 
 	if (dim < set->type->dimension ||
@@ -344,7 +362,7 @@ ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
 	struct ip_set *set = ip_set_list[index];
 	int ret;
 
-	BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+	BUG_ON(set == NULL);
 	pr_debug("set %s, index %u\n", set->name, index);
 
 	if (dim < set->type->dimension ||
@@ -366,7 +384,7 @@ ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
 	struct ip_set *set = ip_set_list[index];
 	int ret = 0;
 
-	BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+	BUG_ON(set == NULL);
 	pr_debug("set %s, index %u\n", set->name, index);
 
 	if (dim < set->type->dimension ||
@@ -385,7 +403,6 @@ EXPORT_SYMBOL_GPL(ip_set_del);
  * Find set by name, reference it once. The reference makes sure the
  * thing pointed to, does not go away under our feet.
  *
- * The nfnl mutex must already be activated.
  */
 ip_set_id_t
 ip_set_get_byname(const char *name, struct ip_set **set)
@@ -411,15 +428,12 @@ EXPORT_SYMBOL_GPL(ip_set_get_byname);
  * reference count by 1. The caller shall not assume the index
  * to be valid, after calling this function.
  *
- * The nfnl mutex must already be activated.
  */
 void
 ip_set_put_byindex(ip_set_id_t index)
 {
-	if (ip_set_list[index] != NULL) {
-		BUG_ON(atomic_read(&ip_set_list[index]->ref) == 0);
+	if (ip_set_list[index] != NULL)
 		__ip_set_put(index);
-	}
 }
 EXPORT_SYMBOL_GPL(ip_set_put_byindex);
 
@@ -429,7 +443,6 @@ EXPORT_SYMBOL_GPL(ip_set_put_byindex);
  * can't be destroyed. The set cannot be renamed due to
  * the referencing either.
  *
- * The nfnl mutex must already be activated.
  */
 const char *
 ip_set_name_byindex(ip_set_id_t index)
@@ -437,7 +450,7 @@ ip_set_name_byindex(ip_set_id_t index)
 	const struct ip_set *set = ip_set_list[index];
 
 	BUG_ON(set == NULL);
-	BUG_ON(atomic_read(&set->ref) == 0);
+	BUG_ON(set->ref == 0);
 
 	/* Referenced, so it's safe */
 	return set->name;
@@ -503,10 +516,7 @@ void
 ip_set_nfnl_put(ip_set_id_t index)
 {
 	nfnl_lock();
-	if (ip_set_list[index] != NULL) {
-		BUG_ON(atomic_read(&ip_set_list[index]->ref) == 0);
-		__ip_set_put(index);
-	}
+	ip_set_put_byindex(index);
 	nfnl_unlock();
 }
 EXPORT_SYMBOL_GPL(ip_set_nfnl_put);
@@ -514,7 +524,7 @@ EXPORT_SYMBOL_GPL(ip_set_nfnl_put);
 /*
  * Communication protocol with userspace over netlink.
  *
- * We already locked by nfnl_lock.
+ * The commands are serialized by the nfnl mutex.
  */
 
 static inline bool
@@ -645,7 +655,6 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
 		return -ENOMEM;
 	rwlock_init(&set->lock);
 	strlcpy(set->name, name, IPSET_MAXNAMELEN);
-	atomic_set(&set->ref, 0);
 	set->family = family;
 
 	/*
@@ -678,8 +687,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
 
 	/*
 	 * Here, we have a valid, constructed set and we are protected
-	 * by nfnl_lock. Find the first free index in ip_set_list and
-	 * check clashing.
+	 * by the nfnl mutex. Find the first free index in ip_set_list
+	 * and check clashing.
 	 */
 	if ((ret = find_free_id(set->name, &index, &clash)) != 0) {
 		/* If this is the same set and requested, ignore error */
@@ -739,31 +748,51 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb,
 	       const struct nlattr * const attr[])
 {
 	ip_set_id_t i;
+	int ret = 0;
 
 	if (unlikely(protocol_failed(attr)))
 		return -IPSET_ERR_PROTOCOL;
 
-	/* References are protected by the nfnl mutex */
+	/* Commands are serialized and references are
+	 * protected by the ip_set_ref_lock.
+	 * External systems (i.e. xt_set) must call
+	 * ip_set_put|get_nfnl_* functions, that way we
+	 * can safely check references here.
+	 *
+	 * list:set timer can only decrement the reference
+	 * counter, so if it's already zero, we can proceed
+	 * without holding the lock.
+	 */
+	read_lock_bh(&ip_set_ref_lock);
 	if (!attr[IPSET_ATTR_SETNAME]) {
 		for (i = 0; i < ip_set_max; i++) {
-			if (ip_set_list[i] != NULL &&
-			    (atomic_read(&ip_set_list[i]->ref)))
-				return -IPSET_ERR_BUSY;
+			if (ip_set_list[i] != NULL && ip_set_list[i]->ref) {
+				ret = IPSET_ERR_BUSY;
+				goto out;
+			}
 		}
+		read_unlock_bh(&ip_set_ref_lock);
 		for (i = 0; i < ip_set_max; i++) {
 			if (ip_set_list[i] != NULL)
 				ip_set_destroy_set(i);
 		}
 	} else {
 		i = find_set_id(nla_data(attr[IPSET_ATTR_SETNAME]));
-		if (i == IPSET_INVALID_ID)
-			return -ENOENT;
-		else if (atomic_read(&ip_set_list[i]->ref))
-			return -IPSET_ERR_BUSY;
+		if (i == IPSET_INVALID_ID) {
+			ret = -ENOENT;
+			goto out;
+		} else if (ip_set_list[i]->ref) {
+			ret = -IPSET_ERR_BUSY;
+			goto out;
+		}
+		read_unlock_bh(&ip_set_ref_lock);
 
 		ip_set_destroy_set(i);
 	}
 	return 0;
+out:
+	read_unlock_bh(&ip_set_ref_lock);
+	return ret;
 }
 
 /* Flush sets */
@@ -822,6 +851,7 @@ ip_set_rename(struct sock *ctnl, struct sk_buff *skb,
 	struct ip_set *set;
 	const char *name2;
 	ip_set_id_t i;
+	int ret = 0;
 
 	if (unlikely(protocol_failed(attr) ||
 		     attr[IPSET_ATTR_SETNAME] == NULL ||
@@ -831,25 +861,33 @@ ip_set_rename(struct sock *ctnl, struct sk_buff *skb,
 	set = find_set(nla_data(attr[IPSET_ATTR_SETNAME]));
 	if (set == NULL)
 		return -ENOENT;
-	if (atomic_read(&set->ref) != 0)
-		return -IPSET_ERR_REFERENCED;
+
+	read_lock_bh(&ip_set_ref_lock);
+	if (set->ref != 0) {
+		ret = -IPSET_ERR_REFERENCED;
+		goto out;
+	}
 
 	name2 = nla_data(attr[IPSET_ATTR_SETNAME2]);
 	for (i = 0; i < ip_set_max; i++) {
 		if (ip_set_list[i] != NULL &&
-		    STREQ(ip_set_list[i]->name, name2))
-			return -IPSET_ERR_EXIST_SETNAME2;
+		    STREQ(ip_set_list[i]->name, name2)) {
+			ret = -IPSET_ERR_EXIST_SETNAME2;
+			goto out;
+		}
 	}
 	strncpy(set->name, name2, IPSET_MAXNAMELEN);
 
-	return 0;
+out:
+	read_unlock_bh(&ip_set_ref_lock);
+	return ret;
 }
 
 /* Swap two sets so that name/index points to the other.
  * References and set names are also swapped.
  *
- * We are protected by the nfnl mutex and references are
- * manipulated only by holding the mutex. The kernel interfaces
+ * The commands are serialized by the nfnl mutex and references are
+ * protected by the ip_set_ref_lock. The kernel interfaces
  * do not hold the mutex but the pointer settings are atomic
  * so the ip_set_list always contains valid pointers to the sets.
  */
@@ -862,7 +900,6 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
 	struct ip_set *from, *to;
 	ip_set_id_t from_id, to_id;
 	char from_name[IPSET_MAXNAMELEN];
-	u32 from_ref;
 
 	if (unlikely(protocol_failed(attr) ||
 		     attr[IPSET_ATTR_SETNAME] == NULL ||
@@ -881,23 +918,21 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
 	to = ip_set_list[to_id];
 
 	/* Features must not change.
-	 * Not an artifical restriction anymore, as we must prevent
+	 * Not an artificial restriction anymore, as we must prevent
 	 * possible loops created by swapping in setlist type of sets. */
 	if (!(from->type->features == to->type->features &&
 	      from->type->family == to->type->family))
 		return -IPSET_ERR_TYPE_MISMATCH;
 
-	/* No magic here: ref munging protected by the nfnl_lock */
 	strncpy(from_name, from->name, IPSET_MAXNAMELEN);
-	from_ref = atomic_read(&from->ref);
-
 	strncpy(from->name, to->name, IPSET_MAXNAMELEN);
-	atomic_set(&from->ref, atomic_read(&to->ref));
 	strncpy(to->name, from_name, IPSET_MAXNAMELEN);
-	atomic_set(&to->ref, from_ref);
 
+	write_lock_bh(&ip_set_ref_lock);
+	swap(from->ref, to->ref);
 	ip_set_list[from_id] = to;
 	ip_set_list[to_id] = from;
+	write_unlock_bh(&ip_set_ref_lock);
 
 	return 0;
 }
@@ -914,7 +949,7 @@ ip_set_dump_done(struct netlink_callback *cb)
 {
 	if (cb->args[2]) {
 		pr_debug("release set %s\n", ip_set_list[cb->args[1]]->name);
-		__ip_set_put((ip_set_id_t) cb->args[1]);
+		ip_set_put_byindex((ip_set_id_t) cb->args[1]);
 	}
 	return 0;
 }
@@ -987,8 +1022,9 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
 	if (cb->args[1] >= ip_set_max)
 		goto out;
 
-	pr_debug("args[0]: %ld args[1]: %ld\n", cb->args[0], cb->args[1]);
 	max = cb->args[0] == DUMP_ONE ? cb->args[1] + 1 : ip_set_max;
+dump_last:
+	pr_debug("args[0]: %ld args[1]: %ld\n", cb->args[0], cb->args[1]);
 	for (; cb->args[1] < max; cb->args[1]++) {
 		index = (ip_set_id_t) cb->args[1];
 		set = ip_set_list[index];
@@ -1003,8 +1039,8 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
 		 * so that lists (unions of sets) are dumped last.
 		 */
 		if (cb->args[0] != DUMP_ONE &&
-		    !((cb->args[0] == DUMP_ALL) ^
-		      (set->type->features & IPSET_DUMP_LAST)))
+		    ((cb->args[0] == DUMP_ALL) ==
+		     !!(set->type->features & IPSET_DUMP_LAST)))
 			continue;
 		pr_debug("List set: %s\n", set->name);
 		if (!cb->args[2]) {
@@ -1048,6 +1084,12 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
 			goto release_refcount;
 		}
 	}
+	/* If we dump all sets, continue with dumping last ones */
+	if (cb->args[0] == DUMP_ALL) {
+		cb->args[0] = DUMP_LAST;
+		cb->args[1] = 0;
+		goto dump_last;
+	}
 	goto out;
 
 nla_put_failure:
@@ -1056,13 +1098,8 @@ release_refcount:
 	/* If there was an error or set is done, release set */
 	if (ret || !cb->args[2]) {
 		pr_debug("release set %s\n", ip_set_list[index]->name);
-		__ip_set_put(index);
+		ip_set_put_byindex(index);
 	}
-
-	/* If we dump all sets, continue with dumping last ones */
-	if (cb->args[0] == DUMP_ALL && cb->args[1] >= max && !cb->args[2])
-		cb->args[0] = DUMP_LAST;
-
 out:
 	if (nlh) {
 		nlmsg_end(skb, nlh);
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index adbe787ea5dc..b9214145d357 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -150,6 +150,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipport4_elem data = { };
 	u32 ip, ip_to, p, port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -172,21 +173,15 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMP:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMP))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -195,7 +190,6 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 	}
 
 	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 	    !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
 	      tb[IPSET_ATTR_PORT_TO])) {
 		ret = adtfn(set, &data, timeout);
@@ -219,13 +213,12 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 	} else
 		ip_to = ip;
 
-	port = ntohs(data.port);
-	if (tb[IPSET_ATTR_PORT_TO]) {
+	port_to = port = ntohs(data.port);
+	if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
 		port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 		if (port > port_to)
 			swap(port, port_to);
-	} else
-		port_to = port;
+	}
 
 	for (; !before(ip_to, ip); ip++)
 		for (p = port; p <= port_to; p++) {
@@ -361,6 +354,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipport6_elem data = { };
 	u32 port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -385,21 +379,15 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMPV6:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMPV6))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -407,9 +395,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
 		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 	}
 
-	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
-	    !tb[IPSET_ATTR_PORT_TO]) {
+	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 		ret = adtfn(set, &data, timeout);
 		return ip_set_eexist(ret, flags) ? 0 : ret;
 	}
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 22e23abb86c6..4642872df6e1 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -154,6 +154,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipportip4_elem data = { };
 	u32 ip, ip_to, p, port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
@@ -180,21 +181,15 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMP:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMP))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -203,7 +198,6 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 	}
 
 	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 	    !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
 	      tb[IPSET_ATTR_PORT_TO])) {
 		ret = adtfn(set, &data, timeout);
@@ -227,13 +221,12 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 	} else
 		ip_to = ip;
 
-	port = ntohs(data.port);
-	if (tb[IPSET_ATTR_PORT_TO]) {
+	port_to = port = ntohs(data.port);
+	if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
 		port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 		if (port > port_to)
 			swap(port, port_to);
-	} else
-		port_to = port;
+	}
 
 	for (; !before(ip_to, ip); ip++)
 		for (p = port; p <= port_to; p++) {
@@ -375,6 +368,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipportip6_elem data = { };
 	u32 port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
@@ -403,21 +397,15 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMPV6:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMPV6))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -425,9 +413,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
 		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 	}
 
-	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
-	    !tb[IPSET_ATTR_PORT_TO]) {
+	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 		ret = adtfn(set, &data, timeout);
 		return ip_set_eexist(ret, flags) ? 0 : ret;
 	}
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 6033e8b54bbd..2cb84a54b7ad 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -174,6 +174,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
 	u32 ip, ip_to, p, port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
@@ -208,21 +209,15 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMP:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMP))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -231,7 +226,6 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	}
 
 	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 	    !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
 	      tb[IPSET_ATTR_PORT_TO])) {
 		ret = adtfn(set, &data, timeout);
@@ -255,13 +249,12 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	} else
 		ip_to = ip;
 
-	port = ntohs(data.port);
-	if (tb[IPSET_ATTR_PORT_TO]) {
+	port_to = port = ntohs(data.port);
+	if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
 		port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 		if (port > port_to)
 			swap(port, port_to);
-	} else
-		port_to = port;
+	}
 
 	for (; !before(ip_to, ip); ip++)
 		for (p = port; p <= port_to; p++) {
@@ -429,6 +422,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_ipportnet6_elem data = { .cidr = HOST_MASK };
 	u32 port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
@@ -465,21 +459,15 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMPV6:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMPV6))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -487,9 +475,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 	}
 
-	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
-	    !tb[IPSET_ATTR_PORT_TO]) {
+	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 		ret = adtfn(set, &data, timeout);
 		return ip_set_eexist(ret, flags) ? 0 : ret;
 	}
diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index 34a165626ee9..8598676f2a05 100644
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -170,6 +170,7 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_netport4_elem data = { .cidr = HOST_MASK };
 	u32 port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -198,21 +199,15 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMP:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMP))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -220,9 +215,7 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
 		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 	}
 
-	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
-	    !tb[IPSET_ATTR_PORT_TO]) {
+	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 		ret = adtfn(set, &data, timeout);
 		return ip_set_eexist(ret, flags) ? 0 : ret;
 	}
@@ -390,6 +383,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
 	struct hash_netport6_elem data = { .cidr = HOST_MASK };
 	u32 port, port_to;
 	u32 timeout = h->timeout;
+	bool with_ports = false;
 	int ret;
 
 	if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -418,21 +412,15 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (tb[IPSET_ATTR_PROTO]) {
 		data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
+		with_ports = ip_set_proto_with_ports(data.proto);
 
 		if (data.proto == 0)
 			return -IPSET_ERR_INVALID_PROTO;
 	} else
 		return -IPSET_ERR_MISSING_PROTO;
 
-	switch (data.proto) {
-	case IPPROTO_UDP:
-	case IPPROTO_TCP:
-	case IPPROTO_ICMPV6:
-		break;
-	default:
+	if (!(with_ports || data.proto == IPPROTO_ICMPV6))
 		data.port = 0;
-		break;
-	}
 
 	if (tb[IPSET_ATTR_TIMEOUT]) {
 		if (!with_timeout(h->timeout))
@@ -440,9 +428,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
 		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 	}
 
-	if (adt == IPSET_TEST ||
-	    !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
-	    !tb[IPSET_ATTR_PORT_TO]) {
+	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 		ret = adtfn(set, &data, timeout);
 		return ip_set_eexist(ret, flags) ? 0 : ret;
 	}
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index a47c32982f06..e9159e99fc4b 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -43,14 +43,19 @@ struct list_set {
 static inline struct set_elem *
 list_set_elem(const struct list_set *map, u32 id)
 {
-	return (struct set_elem *)((char *)map->members + id * map->dsize);
+	return (struct set_elem *)((void *)map->members + id * map->dsize);
+}
+
+static inline struct set_telem *
+list_set_telem(const struct list_set *map, u32 id)
+{
+	return (struct set_telem *)((void *)map->members + id * map->dsize);
 }
 
 static inline bool
 list_set_timeout(const struct list_set *map, u32 id)
 {
-	const struct set_telem *elem =
-		(const struct set_telem *) list_set_elem(map, id);
+	const struct set_telem *elem = list_set_telem(map, id);
 
 	return ip_set_timeout_test(elem->timeout);
 }
@@ -58,19 +63,11 @@ list_set_timeout(const struct list_set *map, u32 id)
 static inline bool
 list_set_expired(const struct list_set *map, u32 id)
 {
-	const struct set_telem *elem =
-		(const struct set_telem *) list_set_elem(map, id);
+	const struct set_telem *elem = list_set_telem(map, id);
 
 	return ip_set_timeout_expired(elem->timeout);
 }
 
-static inline int
-list_set_exist(const struct set_telem *elem)
-{
-	return elem->id != IPSET_INVALID_ID &&
-	       !ip_set_timeout_expired(elem->timeout);
-}
-
 /* Set list without and with timeout */
 
 static int
@@ -146,11 +143,11 @@ list_elem_tadd(struct list_set *map, u32 i, ip_set_id_t id,
 	struct set_telem *e;
 
 	for (; i < map->size; i++) {
-		e = (struct set_telem *)list_set_elem(map, i);
+		e = list_set_telem(map, i);
 		swap(e->id, id);
+		swap(e->timeout, timeout);
 		if (e->id == IPSET_INVALID_ID)
 			break;
-		swap(e->timeout, timeout);
 	}
 }
 
@@ -164,7 +161,7 @@ list_set_add(struct list_set *map, u32 i, ip_set_id_t id,
 		/* Last element replaced: e.g. add new,before,last */
 		ip_set_put_byindex(e->id);
 	if (with_timeout(map->timeout))
-		list_elem_tadd(map, i, id, timeout);
+		list_elem_tadd(map, i, id, ip_set_timeout_set(timeout));
 	else
 		list_elem_add(map, i, id);
 
@@ -172,11 +169,11 @@ list_set_add(struct list_set *map, u32 i, ip_set_id_t id,
 }
 
 static int
-list_set_del(struct list_set *map, ip_set_id_t id, u32 i)
+list_set_del(struct list_set *map, u32 i)
 {
 	struct set_elem *a = list_set_elem(map, i), *b;
 
-	ip_set_put_byindex(id);
+	ip_set_put_byindex(a->id);
 
 	for (; i < map->size - 1; i++) {
 		b = list_set_elem(map, i + 1);
@@ -308,11 +305,11 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
 				 (before == 0 ||
 				  (before > 0 &&
 				   next_id_eq(map, i, refid))))
-				ret = list_set_del(map, id, i);
+				ret = list_set_del(map, i);
 			else if (before < 0 &&
 				 elem->id == refid &&
 				 next_id_eq(map, i, id))
-				ret = list_set_del(map, id, i + 1);
+				ret = list_set_del(map, i + 1);
 		}
 		break;
 	default:
@@ -369,8 +366,7 @@ list_set_head(struct ip_set *set, struct sk_buff *skb)
 	NLA_PUT_NET32(skb, IPSET_ATTR_SIZE, htonl(map->size));
 	if (with_timeout(map->timeout))
 		NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout));
-	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
-		      htonl(atomic_read(&set->ref) - 1));
+	NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
 	NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
 		      htonl(sizeof(*map) + map->size * map->dsize));
 	ipset_nest_end(skb, nested);
@@ -461,16 +457,13 @@ list_set_gc(unsigned long ul_set)
 	struct set_telem *e;
 	u32 i;
 
-	/* We run parallel with other readers (test element)
-	 * but adding/deleting new entries is locked out */
-	read_lock_bh(&set->lock);
-	for (i = map->size - 1; i >= 0; i--) {
-		e = (struct set_telem *) list_set_elem(map, i);
-		if (e->id != IPSET_INVALID_ID &&
-		    list_set_expired(map, i))
-			list_set_del(map, e->id, i);
+	write_lock_bh(&set->lock);
+	for (i = 0; i < map->size; i++) {
+		e = list_set_telem(map, i);
+		if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
+			list_set_del(map, i);
 	}
-	read_unlock_bh(&set->lock);
+	write_unlock_bh(&set->lock);
 
 	map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
 	add_timer(&map->gc);
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 5c48ffb60c28..2dc6de13ac18 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -43,6 +43,8 @@ EXPORT_SYMBOL(register_ip_vs_app);
 EXPORT_SYMBOL(unregister_ip_vs_app);
 EXPORT_SYMBOL(register_ip_vs_app_inc);
 
+static DEFINE_MUTEX(__ip_vs_app_mutex);
+
 /*
  *	Get an ip_vs_app object
  */
@@ -167,14 +169,13 @@ int
 register_ip_vs_app_inc(struct net *net, struct ip_vs_app *app, __u16 proto,
 		       __u16 port)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	int result;
 
-	mutex_lock(&ipvs->app_mutex);
+	mutex_lock(&__ip_vs_app_mutex);
 
 	result = ip_vs_app_inc_new(net, app, proto, port);
 
-	mutex_unlock(&ipvs->app_mutex);
+	mutex_unlock(&__ip_vs_app_mutex);
 
 	return result;
 }
@@ -189,11 +190,11 @@ int register_ip_vs_app(struct net *net, struct ip_vs_app *app)
 	/* increase the module use count */
 	ip_vs_use_count_inc();
 
-	mutex_lock(&ipvs->app_mutex);
+	mutex_lock(&__ip_vs_app_mutex);
 
 	list_add(&app->a_list, &ipvs->app_list);
 
-	mutex_unlock(&ipvs->app_mutex);
+	mutex_unlock(&__ip_vs_app_mutex);
 
 	return 0;
 }
@@ -205,10 +206,9 @@ int register_ip_vs_app(struct net *net, struct ip_vs_app *app)
  */
 void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_app *inc, *nxt;
 
-	mutex_lock(&ipvs->app_mutex);
+	mutex_lock(&__ip_vs_app_mutex);
 
 	list_for_each_entry_safe(inc, nxt, &app->incs_list, a_list) {
 		ip_vs_app_inc_release(net, inc);
@@ -216,7 +216,7 @@ void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
 
 	list_del(&app->a_list);
 
-	mutex_unlock(&ipvs->app_mutex);
+	mutex_unlock(&__ip_vs_app_mutex);
 
 	/* decrease the module use count */
 	ip_vs_use_count_dec();
@@ -501,7 +501,7 @@ static void *ip_vs_app_seq_start(struct seq_file *seq, loff_t *pos)
 	struct net *net = seq_file_net(seq);
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
-	mutex_lock(&ipvs->app_mutex);
+	mutex_lock(&__ip_vs_app_mutex);
 
 	return *pos ? ip_vs_app_idx(ipvs, *pos - 1) : SEQ_START_TOKEN;
 }
@@ -535,9 +535,7 @@ static void *ip_vs_app_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static void ip_vs_app_seq_stop(struct seq_file *seq, void *v)
 {
-	struct netns_ipvs *ipvs = net_ipvs(seq_file_net(seq));
-
-	mutex_unlock(&ipvs->app_mutex);
+	mutex_unlock(&__ip_vs_app_mutex);
 }
 
 static int ip_vs_app_seq_show(struct seq_file *seq, void *v)
@@ -583,7 +581,6 @@ static int __net_init __ip_vs_app_init(struct net *net)
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	INIT_LIST_HEAD(&ipvs->app_list);
-	__mutex_init(&ipvs->app_mutex, "ipvs->app_mutex", &ipvs->app_key);
 	proc_net_fops_create(net, "ip_vs_app", 0, &ip_vs_app_fops);
 	return 0;
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index f289306cbf12..c97bd45975be 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -595,7 +595,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
 			atomic_inc(&dest->inactconns);
 	} else {
 		/* It is a persistent connection/template, so increase
-		   the peristent connection counter */
+		   the persistent connection counter */
 		atomic_inc(&dest->persistconns);
 	}
 
@@ -657,7 +657,7 @@ static inline void ip_vs_unbind_dest(struct ip_vs_conn *cp)
 		}
 	} else {
 		/* It is a persistent connection/template, so decrease
-		   the peristent connection counter */
+		   the persistent connection counter */
 		atomic_dec(&dest->persistconns);
 	}
 
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index b799cea31f95..ae47090bf45f 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3120,7 +3120,7 @@ nla_put_failure:
 static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
 				   struct netlink_callback *cb)
 {
-	struct net *net = skb_net(skb);
+	struct net *net = skb_sknet(skb);
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	mutex_lock(&__ip_vs_mutex);
@@ -3605,7 +3605,7 @@ int __net_init __ip_vs_control_init(struct net *net)
 
 	/* procfs stats */
 	ipvs->tot_stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
-	if (ipvs->tot_stats.cpustats) {
+	if (!ipvs->tot_stats.cpustats) {
 		pr_err("%s(): alloc_percpu.\n", __func__);
 		return -ENOMEM;
 	}
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index f276df9896b3..87e40ea77a95 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -131,7 +131,7 @@ static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en)
 {
 	list_del(&en->list);
 	/*
-	 * We don't kfree dest because it is refered either by its service
+	 * We don't kfree dest because it is referred either by its service
 	 * or the trash dest list.
 	 */
 	atomic_dec(&en->dest->refcnt);
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index cb1c9913d38b..90f618ab6dda 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -152,7 +152,7 @@ static void ip_vs_dest_set_eraseall(struct ip_vs_dest_set *set)
 	write_lock(&set->lock);
 	list_for_each_entry_safe(e, ep, &set->list, list) {
 		/*
-		 * We don't kfree dest because it is refered either
+		 * We don't kfree dest because it is referred either
 		 * by its service or by the trash dest list.
 		 */
 		atomic_dec(&e->dest->refcnt);
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index b027ccc49f43..d12ed53ec95f 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -566,7 +566,7 @@ static struct ipvs_sctp_nextstate
 	 * SHUTDOWN sent from the client, waitinf for SHUT ACK from the server
 	 */
 	/*
-	 * We recieved the data chuck, keep the state unchanged. I assume
+	 * We received the data chuck, keep the state unchanged. I assume
 	 * that still data chuncks  can be received by both the peers in
 	 * SHUDOWN state
 	 */
@@ -633,7 +633,7 @@ static struct ipvs_sctp_nextstate
 	 * SHUTDOWN sent from the server, waitinf for SHUTDOWN ACK from client
 	 */
 	/*
-	 * We recieved the data chuck, keep the state unchanged. I assume
+	 * We received the data chuck, keep the state unchanged. I assume
 	 * that still data chuncks  can be received by both the peers in
 	 * SHUDOWN state
 	 */
@@ -701,7 +701,7 @@ static struct ipvs_sctp_nextstate
 	 * SHUTDOWN ACK from the client, awaiting for SHUTDOWN COM from server
 	 */
 	/*
-	 * We recieved the data chuck, keep the state unchanged. I assume
+	 * We received the data chuck, keep the state unchanged. I assume
 	 * that still data chuncks  can be received by both the peers in
 	 * SHUDOWN state
 	 */
@@ -771,7 +771,7 @@ static struct ipvs_sctp_nextstate
 	 * SHUTDOWN ACK from the server, awaiting for SHUTDOWN COM from client
 	 */
 	/*
-	 * We recieved the data chuck, keep the state unchanged. I assume
+	 * We received the data chuck, keep the state unchanged. I assume
 	 * that still data chuncks  can be received by both the peers in
 	 * SHUDOWN state
 	 */
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 941286ca911d..2e1c11f78419 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -453,7 +453,7 @@ __nf_conntrack_confirm(struct sk_buff *skb)
 	   REJECT will give spurious warnings here. */
 	/* NF_CT_ASSERT(atomic_read(&ct->ct_general.use) == 1); */
 
-	/* No external references means noone else could have
+	/* No external references means no one else could have
 	   confirmed us. */
 	NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
 	pr_debug("Confirming conntrack %p\n", ct);
@@ -901,7 +901,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
 	ret = l3proto->get_l4proto(skb, skb_network_offset(skb),
 				   &dataoff, &protonum);
 	if (ret <= 0) {
-		pr_debug("not prepared to track yet or error occured\n");
+		pr_debug("not prepared to track yet or error occurred\n");
 		NF_CT_STAT_INC_ATOMIC(net, error);
 		NF_CT_STAT_INC_ATOMIC(net, invalid);
 		ret = -ret;
diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c
index 867882313e49..bcd5ed6b7130 100644
--- a/net/netfilter/nf_conntrack_h323_asn1.c
+++ b/net/netfilter/nf_conntrack_h323_asn1.c
@@ -631,7 +631,7 @@ static int decode_seqof(bitstr_t *bs, const struct field_t *f,
 		CHECK_BOUND(bs, 2);
 		count = *bs->cur++;
 		count <<= 8;
-		count = *bs->cur++;
+		count += *bs->cur++;
 		break;
 	case SEMI:
 		BYTE_ALIGN(bs);
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 533a183e6661..18b2ce5c8ced 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -731,10 +731,10 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 
 		memset(&fl2, 0, sizeof(fl2));
 		fl2.daddr = dst->ip;
-		if (!afinfo->route((struct dst_entry **)&rt1,
-				   flowi4_to_flowi(&fl1))) {
-			if (!afinfo->route((struct dst_entry **)&rt2,
-					   flowi4_to_flowi(&fl2))) {
+		if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
+				   flowi4_to_flowi(&fl1), false)) {
+			if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
+					   flowi4_to_flowi(&fl2), false)) {
 				if (rt1->rt_gateway == rt2->rt_gateway &&
 				    rt1->dst.dev  == rt2->dst.dev)
 					ret = 1;
@@ -755,10 +755,10 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 
 		memset(&fl2, 0, sizeof(fl2));
 		ipv6_addr_copy(&fl2.daddr, &dst->in6);
-		if (!afinfo->route((struct dst_entry **)&rt1,
-				   flowi6_to_flowi(&fl1))) {
-			if (!afinfo->route((struct dst_entry **)&rt2,
-					   flowi6_to_flowi(&fl2))) {
+		if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
+				   flowi6_to_flowi(&fl1), false)) {
+			if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
+					   flowi6_to_flowi(&fl2), false)) {
 				if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway,
 					    sizeof(rt1->rt6i_gateway)) &&
 				    rt1->dst.dev == rt2->dst.dev)
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 9ae57c57c50e..2e664a69d7db 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -98,7 +98,7 @@ static const char * const dccp_state_names[] = {
 #define sIV	CT_DCCP_INVALID
 
 /*
- * DCCP state transistion table
+ * DCCP state transition table
  *
  * The assumption is the same as for TCP tracking:
  *
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 6f4ee70f460b..6772b1154654 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -107,9 +107,9 @@ static const u8 sctp_conntracks[2][9][SCTP_CONNTRACK_MAX] = {
 /* abort        */ {sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL},
 /* shutdown     */ {sCL, sCL, sCW, sCE, sSS, sSS, sSR, sSA},
 /* shutdown_ack */ {sSA, sCL, sCW, sCE, sES, sSA, sSA, sSA},
-/* error        */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Cant have Stale cookie*/
+/* error        */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Can't have Stale cookie*/
 /* cookie_echo  */ {sCL, sCL, sCE, sCE, sES, sSS, sSR, sSA},/* 5.2.4 - Big TODO */
-/* cookie_ack   */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Cant come in orig dir */
+/* cookie_ack   */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Can't come in orig dir */
 /* shutdown_comp*/ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sCL}
 	},
 	{
@@ -121,7 +121,7 @@ static const u8 sctp_conntracks[2][9][SCTP_CONNTRACK_MAX] = {
 /* shutdown     */ {sIV, sCL, sCW, sCE, sSR, sSS, sSR, sSA},
 /* shutdown_ack */ {sIV, sCL, sCW, sCE, sES, sSA, sSA, sSA},
 /* error        */ {sIV, sCL, sCW, sCL, sES, sSS, sSR, sSA},
-/* cookie_echo  */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Cant come in reply dir */
+/* cookie_echo  */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA},/* Can't come in reply dir */
 /* cookie_ack   */ {sIV, sCL, sCW, sES, sES, sSS, sSR, sSA},
 /* shutdown_comp*/ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sCL}
 	}
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index bcf47eb518ef..237cc1981b89 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -707,7 +707,7 @@ static const char *ct_sdp_header_search(const char *dptr, const char *limit,
 }
 
 /* Locate a SDP header (optionally a substring within the header value),
- * optionally stopping at the first occurence of the term header, parse
+ * optionally stopping at the first occurrence of the term header, parse
  * it and return the offset and length of the data we're interested in.
  */
 int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr,
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 5ab22e2bbd7d..5b466cd1272f 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -134,7 +134,7 @@ static int __nf_queue(struct sk_buff *skb,
 	const struct nf_afinfo *afinfo;
 	const struct nf_queue_handler *qh;
 
-	/* QUEUE == DROP if noone is waiting, to be safe. */
+	/* QUEUE == DROP if no one is waiting, to be safe. */
 	rcu_read_lock();
 
 	qh = rcu_dereference(queue_handler[pf]);
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 6e6b46cb1db9..9e63b43faeed 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -166,7 +166,7 @@ static u_int32_t tcpmss_reverse_mtu(const struct sk_buff *skb,
 	rcu_read_lock();
 	ai = nf_get_afinfo(family);
 	if (ai != NULL)
-		ai->route((struct dst_entry **)&rt, &fl);
+		ai->route(&init_net, (struct dst_entry **)&rt, &fl, false);
 	rcu_read_unlock();
 
 	if (rt != NULL) {
diff --git a/net/netfilter/xt_addrtype.c b/net/netfilter/xt_addrtype.c
index 2220b85e9519..b77d383cec78 100644
--- a/net/netfilter/xt_addrtype.c
+++ b/net/netfilter/xt_addrtype.c
@@ -32,11 +32,32 @@ MODULE_ALIAS("ipt_addrtype");
 MODULE_ALIAS("ip6t_addrtype");
 
 #if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
-static u32 xt_addrtype_rt6_to_type(const struct rt6_info *rt)
+static u32 match_lookup_rt6(struct net *net, const struct net_device *dev,
+			    const struct in6_addr *addr)
 {
+	const struct nf_afinfo *afinfo;
+	struct flowi6 flow;
+	struct rt6_info *rt;
 	u32 ret;
+	int route_err;
 
-	if (!rt)
+	memset(&flow, 0, sizeof(flow));
+	ipv6_addr_copy(&flow.daddr, addr);
+	if (dev)
+		flow.flowi6_oif = dev->ifindex;
+
+	rcu_read_lock();
+
+	afinfo = nf_get_afinfo(NFPROTO_IPV6);
+	if (afinfo != NULL)
+		route_err = afinfo->route(net, (struct dst_entry **)&rt,
+					flowi6_to_flowi(&flow), !!dev);
+	else
+		route_err = 1;
+
+	rcu_read_unlock();
+
+	if (route_err)
 		return XT_ADDRTYPE_UNREACHABLE;
 
 	if (rt->rt6i_flags & RTF_REJECT)
@@ -48,6 +69,9 @@ static u32 xt_addrtype_rt6_to_type(const struct rt6_info *rt)
 		ret |= XT_ADDRTYPE_LOCAL;
 	if (rt->rt6i_flags & RTF_ANYCAST)
 		ret |= XT_ADDRTYPE_ANYCAST;
+
+
+	dst_release(&rt->dst);
 	return ret;
 }
 
@@ -65,18 +89,8 @@ static bool match_type6(struct net *net, const struct net_device *dev,
 		return false;
 
 	if ((XT_ADDRTYPE_LOCAL | XT_ADDRTYPE_ANYCAST |
-	     XT_ADDRTYPE_UNREACHABLE) & mask) {
-		struct rt6_info *rt;
-		u32 type;
-		int ifindex = dev ? dev->ifindex : 0;
-
-		rt = rt6_lookup(net, addr, NULL, ifindex, !!dev);
-
-		type = xt_addrtype_rt6_to_type(rt);
-
-		dst_release(&rt->dst);
-		return !!(mask & type);
-	}
+	     XT_ADDRTYPE_UNREACHABLE) & mask)
+		return !!(mask & match_lookup_rt6(net, dev, addr));
 	return true;
 }
 
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 2c0086a4751e..481a86fdc409 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -195,7 +195,7 @@ conntrack_mt(const struct sk_buff *skb, struct xt_action_param *par,
 		return info->match_flags & XT_CONNTRACK_STATE;
 	if ((info->match_flags & XT_CONNTRACK_DIRECTION) &&
 	    (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) ^
-	    !!(info->invert_flags & XT_CONNTRACK_DIRECTION))
+	    !(info->invert_flags & XT_CONNTRACK_DIRECTION))
 		return false;
 
 	if (info->match_flags & XT_CONNTRACK_ORIGSRC)
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index 061d48cec137..b3babaed7719 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -81,6 +81,7 @@ set_match_v0_checkentry(const struct xt_mtchk_param *par)
 	if (info->match_set.u.flags[IPSET_DIM_MAX-1] != 0) {
 		pr_warning("Protocol error: set match dimension "
 			   "is over the limit!\n");
+		ip_set_nfnl_put(info->match_set.index);
 		return -ERANGE;
 	}
 
@@ -135,6 +136,8 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par)
 		if (index == IPSET_INVALID_ID) {
 			pr_warning("Cannot find del_set index %u as target\n",
 				   info->del_set.index);
+			if (info->add_set.index != IPSET_INVALID_ID)
+				ip_set_nfnl_put(info->add_set.index);
 			return -ENOENT;
 		}
 	}
@@ -142,6 +145,10 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par)
 	    info->del_set.u.flags[IPSET_DIM_MAX-1] != 0) {
 		pr_warning("Protocol error: SET target dimension "
 			   "is over the limit!\n");
+		if (info->add_set.index != IPSET_INVALID_ID)
+			ip_set_nfnl_put(info->add_set.index);
+		if (info->del_set.index != IPSET_INVALID_ID)
+			ip_set_nfnl_put(info->del_set.index);
 		return -ERANGE;
 	}
 
@@ -192,6 +199,7 @@ set_match_checkentry(const struct xt_mtchk_param *par)
 	if (info->match_set.dim > IPSET_DIM_MAX) {
 		pr_warning("Protocol error: set match dimension "
 			   "is over the limit!\n");
+		ip_set_nfnl_put(info->match_set.index);
 		return -ERANGE;
 	}
 
@@ -219,7 +227,7 @@ set_target(struct sk_buff *skb, const struct xt_action_param *par)
 	if (info->del_set.index != IPSET_INVALID_ID)
 		ip_set_del(info->del_set.index,
 			   skb, par->family,
-			   info->add_set.dim,
+			   info->del_set.dim,
 			   info->del_set.flags);
 
 	return XT_CONTINUE;
@@ -245,13 +253,19 @@ set_target_checkentry(const struct xt_tgchk_param *par)
 		if (index == IPSET_INVALID_ID) {
 			pr_warning("Cannot find del_set index %u as target\n",
 				   info->del_set.index);
+			if (info->add_set.index != IPSET_INVALID_ID)
+				ip_set_nfnl_put(info->add_set.index);
 			return -ENOENT;
 		}
 	}
 	if (info->add_set.dim > IPSET_DIM_MAX ||
-	    info->del_set.flags > IPSET_DIM_MAX) {
+	    info->del_set.dim > IPSET_DIM_MAX) {
 		pr_warning("Protocol error: SET target dimension "
 			   "is over the limit!\n");
+		if (info->add_set.index != IPSET_INVALID_ID)
+			ip_set_nfnl_put(info->add_set.index);
+		if (info->del_set.index != IPSET_INVALID_ID)
+			ip_set_nfnl_put(info->del_set.index);
 		return -ERANGE;
 	}
 
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index d37b7f80fa37..de0d8e4cbfb6 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -109,7 +109,7 @@ static void netlbl_domhsh_free_entry(struct rcu_head *entry)
  *
  * Description:
  * This is the hashing function for the domain hash table, it returns the
- * correct bucket number for the domain.  The caller is responsibile for
+ * correct bucket number for the domain.  The caller is responsible for
  * ensuring that the hash table is protected with either a RCU read lock or the
  * hash table lock.
  *
@@ -134,7 +134,7 @@ static u32 netlbl_domhsh_hash(const char *key)
  *
  * Description:
  * Searches the domain hash table and returns a pointer to the hash table
- * entry if found, otherwise NULL is returned.  The caller is responsibile for
+ * entry if found, otherwise NULL is returned.  The caller is responsible for
  * ensuring that the hash table is protected with either a RCU read lock or the
  * hash table lock.
  *
@@ -165,7 +165,7 @@ static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain)
  * Searches the domain hash table and returns a pointer to the hash table
  * entry if an exact match is found, if an exact match is not present in the
  * hash table then the default entry is returned if valid otherwise NULL is
- * returned.  The caller is responsibile ensuring that the hash table is
+ * returned.  The caller is responsible ensuring that the hash table is
  * protected with either a RCU read lock or the hash table lock.
  *
  */
@@ -193,7 +193,7 @@ static struct netlbl_dom_map *netlbl_domhsh_search_def(const char *domain)
  *
  * Description:
  * Generate an audit record for adding a new NetLabel/LSM mapping entry with
- * the given information.  Caller is responsibile for holding the necessary
+ * the given information.  Caller is responsible for holding the necessary
  * locks.
  *
  */
@@ -605,7 +605,7 @@ int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info)
  *
  * Description:
  * Look through the domain hash table searching for an entry to match @domain,
- * return a pointer to a copy of the entry or NULL.  The caller is responsibile
+ * return a pointer to a copy of the entry or NULL.  The caller is responsible
  * for ensuring that rcu_read_[un]lock() is called.
  *
  */
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 998e85e895d0..4f251b19fbcc 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -259,7 +259,7 @@ add_failure:
  *
  * Description:
  * This function is a helper function used by the LISTALL and LISTDEF command
- * handlers.  The caller is responsibile for ensuring that the RCU read lock
+ * handlers.  The caller is responsible for ensuring that the RCU read lock
  * is held.  Returns zero on success, negative values on failure.
  *
  */
diff --git a/net/rds/cong.c b/net/rds/cong.c
index 75ea686f27d5..6daaa49d133f 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -33,8 +33,7 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/rbtree.h>
-
-#include <asm-generic/bitops/le.h>
+#include <linux/bitops.h>
 
 #include "rds.h"
 
@@ -285,7 +284,7 @@ void rds_cong_set_bit(struct rds_cong_map *map, __be16 port)
 	i = be16_to_cpu(port) / RDS_CONG_MAP_PAGE_BITS;
 	off = be16_to_cpu(port) % RDS_CONG_MAP_PAGE_BITS;
 
-	generic___set_le_bit(off, (void *)map->m_page_addrs[i]);
+	__set_bit_le(off, (void *)map->m_page_addrs[i]);
 }
 
 void rds_cong_clear_bit(struct rds_cong_map *map, __be16 port)
@@ -299,7 +298,7 @@ void rds_cong_clear_bit(struct rds_cong_map *map, __be16 port)
 	i = be16_to_cpu(port) / RDS_CONG_MAP_PAGE_BITS;
 	off = be16_to_cpu(port) % RDS_CONG_MAP_PAGE_BITS;
 
-	generic___clear_le_bit(off, (void *)map->m_page_addrs[i]);
+	__clear_bit_le(off, (void *)map->m_page_addrs[i]);
 }
 
 static int rds_cong_test_bit(struct rds_cong_map *map, __be16 port)
@@ -310,7 +309,7 @@ static int rds_cong_test_bit(struct rds_cong_map *map, __be16 port)
 	i = be16_to_cpu(port) / RDS_CONG_MAP_PAGE_BITS;
 	off = be16_to_cpu(port) % RDS_CONG_MAP_PAGE_BITS;
 
-	return generic_test_le_bit(off, (void *)map->m_page_addrs[i]);
+	return test_bit_le(off, (void *)map->m_page_addrs[i]);
 }
 
 void rds_cong_add_socket(struct rds_sock *rs)
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index c47a511f203d..7c4dce8fa5e6 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -355,7 +355,7 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
  *
  * Conceptually, we have two counters:
  *  -	send credits: this tells us how many WRs we're allowed
- *	to submit without overruning the reciever's queue. For
+ *	to submit without overruning the receiver's queue. For
  *	each SEND WR we post, we decrement this by one.
  *
  *  -	posted credits: this tells us how many WRs we recently
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index 712cf2d1f28e..3a60a15d1b4a 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -181,7 +181,7 @@ static int rds_iw_init_qp_attrs(struct ib_qp_init_attr *attr,
 	unsigned int send_size, recv_size;
 	int ret;
 
-	/* The offset of 1 is to accomodate the additional ACK WR. */
+	/* The offset of 1 is to accommodate the additional ACK WR. */
 	send_size = min_t(unsigned int, rds_iwdev->max_wrs, rds_iw_sysctl_max_send_wr + 1);
 	recv_size = min_t(unsigned int, rds_iwdev->max_wrs, rds_iw_sysctl_max_recv_wr + 1);
 	rds_iw_ring_resize(send_ring, send_size - 1);
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 59509e9a9e72..6deaa77495e3 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -122,7 +122,7 @@ static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwd
 #else
 			/* FIXME - needs to compare the local and remote
 			 * ipaddr/port tuple, but the ipaddr is the only
-			 * available infomation in the rds_sock (as the rest are
+			 * available information in the rds_sock (as the rest are
 			 * zero'ed.  It doesn't appear to be properly populated
 			 * during connection setup...
 			 */
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 6280ea020d4e..545d8ee3efb1 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -307,7 +307,7 @@ void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context)
  *
  * Conceptually, we have two counters:
  *  -	send credits: this tells us how many WRs we're allowed
- *	to submit without overruning the reciever's queue. For
+ *	to submit without overruning the receiver's queue. For
  *	each SEND WR we post, we decrement this by one.
  *
  *  -	posted credits: this tells us how many WRs we recently
diff --git a/net/rds/send.c b/net/rds/send.c
index 35b9c2e9caf1..d58ae5f9339e 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -116,7 +116,7 @@ static void release_in_xmit(struct rds_connection *conn)
 }
 
 /*
- * We're making the concious trade-off here to only send one message
+ * We're making the conscious trade-off here to only send one message
  * down the connection at a time.
  *   Pro:
  *      - tx queueing is a simple fifo list
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 5ee0c62046a0..a80aef6e3d1f 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -978,7 +978,7 @@ int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct ros
 	struct sock *make;
 	struct rose_sock *make_rose;
 	struct rose_facilities_struct facilities;
-	int n, len;
+	int n;
 
 	skb->sk = NULL;		/* Initially we don't know who it's for */
 
@@ -987,9 +987,9 @@ int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct ros
 	 */
 	memset(&facilities, 0x00, sizeof(struct rose_facilities_struct));
 
-	len  = (((skb->data[3] >> 4) & 0x0F) + 1) >> 1;
-	len += (((skb->data[3] >> 0) & 0x0F) + 1) >> 1;
-	if (!rose_parse_facilities(skb->data + len + 4, &facilities)) {
+	if (!rose_parse_facilities(skb->data + ROSE_CALL_REQ_FACILITIES_OFF,
+				   skb->len - ROSE_CALL_REQ_FACILITIES_OFF,
+				   &facilities)) {
 		rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76);
 		return 0;
 	}
diff --git a/net/rose/rose_loopback.c b/net/rose/rose_loopback.c
index ae4a9d99aec7..344456206b70 100644
--- a/net/rose/rose_loopback.c
+++ b/net/rose/rose_loopback.c
@@ -73,9 +73,20 @@ static void rose_loopback_timer(unsigned long param)
 	unsigned int lci_i, lci_o;
 
 	while ((skb = skb_dequeue(&loopback_queue)) != NULL) {
+		if (skb->len < ROSE_MIN_LEN) {
+			kfree_skb(skb);
+			continue;
+		}
 		lci_i     = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
 		frametype = skb->data[2];
-		dest      = (rose_address *)(skb->data + 4);
+		if (frametype == ROSE_CALL_REQUEST &&
+		    (skb->len <= ROSE_CALL_REQ_FACILITIES_OFF ||
+		     skb->data[ROSE_CALL_REQ_ADDR_LEN_OFF] !=
+		     ROSE_CALL_REQ_ADDR_LEN_VAL)) {
+			kfree_skb(skb);
+			continue;
+		}
+		dest      = (rose_address *)(skb->data + ROSE_CALL_REQ_DEST_ADDR_OFF);
 		lci_o     = ROSE_DEFAULT_MAXVC + 1 - lci_i;
 
 		skb_reset_transport_header(skb);
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 88a77e90e7e8..479cae57d187 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -587,7 +587,7 @@ static int rose_clear_routes(void)
 
 /*
  *	Check that the device given is a valid AX.25 interface that is "up".
- * 	called whith RTNL
+ * 	called with RTNL
  */
 static struct net_device *rose_ax25_dev_find(char *devname)
 {
@@ -861,7 +861,7 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
 	unsigned int lci, new_lci;
 	unsigned char cause, diagnostic;
 	struct net_device *dev;
-	int len, res = 0;
+	int res = 0;
 	char buf[11];
 
 #if 0
@@ -869,10 +869,17 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
 		return res;
 #endif
 
+	if (skb->len < ROSE_MIN_LEN)
+		return res;
 	frametype = skb->data[2];
 	lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
-	src_addr  = (rose_address *)(skb->data + 9);
-	dest_addr = (rose_address *)(skb->data + 4);
+	if (frametype == ROSE_CALL_REQUEST &&
+	    (skb->len <= ROSE_CALL_REQ_FACILITIES_OFF ||
+	     skb->data[ROSE_CALL_REQ_ADDR_LEN_OFF] !=
+	     ROSE_CALL_REQ_ADDR_LEN_VAL))
+		return res;
+	src_addr  = (rose_address *)(skb->data + ROSE_CALL_REQ_SRC_ADDR_OFF);
+	dest_addr = (rose_address *)(skb->data + ROSE_CALL_REQ_DEST_ADDR_OFF);
 
 	spin_lock_bh(&rose_neigh_list_lock);
 	spin_lock_bh(&rose_route_list_lock);
@@ -1010,12 +1017,11 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
 		goto out;
 	}
 
-	len  = (((skb->data[3] >> 4) & 0x0F) + 1) >> 1;
-	len += (((skb->data[3] >> 0) & 0x0F) + 1) >> 1;
-
 	memset(&facilities, 0x00, sizeof(struct rose_facilities_struct));
 
-	if (!rose_parse_facilities(skb->data + len + 4, &facilities)) {
+	if (!rose_parse_facilities(skb->data + ROSE_CALL_REQ_FACILITIES_OFF,
+				   skb->len - ROSE_CALL_REQ_FACILITIES_OFF,
+				   &facilities)) {
 		rose_transmit_clear_request(rose_neigh, lci, ROSE_INVALID_FACILITY, 76);
 		goto out;
 	}
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index 1734abba26a2..f6c71caa94b9 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -142,7 +142,7 @@ void rose_write_internal(struct sock *sk, int frametype)
 		*dptr++ = ROSE_GFI | lci1;
 		*dptr++ = lci2;
 		*dptr++ = frametype;
-		*dptr++ = 0xAA;
+		*dptr++ = ROSE_CALL_REQ_ADDR_LEN_VAL;
 		memcpy(dptr, &rose->dest_addr,  ROSE_ADDR_LEN);
 		dptr   += ROSE_ADDR_LEN;
 		memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN);
@@ -246,12 +246,16 @@ static int rose_parse_national(unsigned char *p, struct rose_facilities_struct *
 	do {
 		switch (*p & 0xC0) {
 		case 0x00:
+			if (len < 2)
+				return -1;
 			p   += 2;
 			n   += 2;
 			len -= 2;
 			break;
 
 		case 0x40:
+			if (len < 3)
+				return -1;
 			if (*p == FAC_NATIONAL_RAND)
 				facilities->rand = ((p[1] << 8) & 0xFF00) + ((p[2] << 0) & 0x00FF);
 			p   += 3;
@@ -260,40 +264,61 @@ static int rose_parse_national(unsigned char *p, struct rose_facilities_struct *
 			break;
 
 		case 0x80:
+			if (len < 4)
+				return -1;
 			p   += 4;
 			n   += 4;
 			len -= 4;
 			break;
 
 		case 0xC0:
+			if (len < 2)
+				return -1;
 			l = p[1];
+			if (len < 2 + l)
+				return -1;
 			if (*p == FAC_NATIONAL_DEST_DIGI) {
 				if (!fac_national_digis_received) {
+					if (l < AX25_ADDR_LEN)
+						return -1;
 					memcpy(&facilities->source_digis[0], p + 2, AX25_ADDR_LEN);
 					facilities->source_ndigis = 1;
 				}
 			}
 			else if (*p == FAC_NATIONAL_SRC_DIGI) {
 				if (!fac_national_digis_received) {
+					if (l < AX25_ADDR_LEN)
+						return -1;
 					memcpy(&facilities->dest_digis[0], p + 2, AX25_ADDR_LEN);
 					facilities->dest_ndigis = 1;
 				}
 			}
 			else if (*p == FAC_NATIONAL_FAIL_CALL) {
+				if (l < AX25_ADDR_LEN)
+					return -1;
 				memcpy(&facilities->fail_call, p + 2, AX25_ADDR_LEN);
 			}
 			else if (*p == FAC_NATIONAL_FAIL_ADD) {
+				if (l < 1 + ROSE_ADDR_LEN)
+					return -1;
 				memcpy(&facilities->fail_addr, p + 3, ROSE_ADDR_LEN);
 			}
 			else if (*p == FAC_NATIONAL_DIGIS) {
+				if (l % AX25_ADDR_LEN)
+					return -1;
 				fac_national_digis_received = 1;
 				facilities->source_ndigis = 0;
 				facilities->dest_ndigis   = 0;
 				for (pt = p + 2, lg = 0 ; lg < l ; pt += AX25_ADDR_LEN, lg += AX25_ADDR_LEN) {
-					if (pt[6] & AX25_HBIT)
+					if (pt[6] & AX25_HBIT) {
+						if (facilities->dest_ndigis >= ROSE_MAX_DIGIS)
+							return -1;
 						memcpy(&facilities->dest_digis[facilities->dest_ndigis++], pt, AX25_ADDR_LEN);
-					else
+					} else {
+						if (facilities->source_ndigis >= ROSE_MAX_DIGIS)
+							return -1;
 						memcpy(&facilities->source_digis[facilities->source_ndigis++], pt, AX25_ADDR_LEN);
+					}
 				}
 			}
 			p   += l + 2;
@@ -314,25 +339,38 @@ static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *fac
 	do {
 		switch (*p & 0xC0) {
 		case 0x00:
+			if (len < 2)
+				return -1;
 			p   += 2;
 			n   += 2;
 			len -= 2;
 			break;
 
 		case 0x40:
+			if (len < 3)
+				return -1;
 			p   += 3;
 			n   += 3;
 			len -= 3;
 			break;
 
 		case 0x80:
+			if (len < 4)
+				return -1;
 			p   += 4;
 			n   += 4;
 			len -= 4;
 			break;
 
 		case 0xC0:
+			if (len < 2)
+				return -1;
 			l = p[1];
+
+			/* Prevent overflows*/
+			if (l < 10 || l > 20)
+				return -1;
+
 			if (*p == FAC_CCITT_DEST_NSAP) {
 				memcpy(&facilities->source_addr, p + 7, ROSE_ADDR_LEN);
 				memcpy(callsign, p + 12,   l - 10);
@@ -355,45 +393,44 @@ static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *fac
 	return n;
 }
 
-int rose_parse_facilities(unsigned char *p,
+int rose_parse_facilities(unsigned char *p, unsigned packet_len,
 	struct rose_facilities_struct *facilities)
 {
 	int facilities_len, len;
 
 	facilities_len = *p++;
 
-	if (facilities_len == 0)
+	if (facilities_len == 0 || (unsigned)facilities_len > packet_len)
 		return 0;
 
-	while (facilities_len > 0) {
-		if (*p == 0x00) {
-			facilities_len--;
-			p++;
-
-			switch (*p) {
-			case FAC_NATIONAL:		/* National */
-				len = rose_parse_national(p + 1, facilities, facilities_len - 1);
-				facilities_len -= len + 1;
-				p += len + 1;
-				break;
-
-			case FAC_CCITT:		/* CCITT */
-				len = rose_parse_ccitt(p + 1, facilities, facilities_len - 1);
-				facilities_len -= len + 1;
-				p += len + 1;
-				break;
-
-			default:
-				printk(KERN_DEBUG "ROSE: rose_parse_facilities - unknown facilities family %02X\n", *p);
-				facilities_len--;
-				p++;
-				break;
-			}
-		} else
-			break;	/* Error in facilities format */
+	while (facilities_len >= 3 && *p == 0x00) {
+		facilities_len--;
+		p++;
+
+		switch (*p) {
+		case FAC_NATIONAL:		/* National */
+			len = rose_parse_national(p + 1, facilities, facilities_len - 1);
+			break;
+
+		case FAC_CCITT:		/* CCITT */
+			len = rose_parse_ccitt(p + 1, facilities, facilities_len - 1);
+			break;
+
+		default:
+			printk(KERN_DEBUG "ROSE: rose_parse_facilities - unknown facilities family %02X\n", *p);
+			len = 1;
+			break;
+		}
+
+		if (len < 0)
+			return 0;
+		if (WARN_ON(len >= facilities_len))
+			return 0;
+		facilities_len -= len + 1;
+		p += len + 1;
 	}
 
-	return 1;
+	return facilities_len == 0;
 }
 
 static int rose_create_facilities(unsigned char *buffer, struct rose_sock *rose)
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 15873e14cb54..14b42f4ad791 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -999,7 +999,7 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	switch (n->nlmsg_type) {
 	case RTM_NEWACTION:
 		/* we are going to assume all other flags
-		 * imply create only if it doesnt exist
+		 * imply create only if it doesn't exist
 		 * Note that CREATE | EXCL implies that
 		 * but since we want avoid ambiguity (eg when flags
 		 * is zero) then just set this
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 50c7c06c019d..7affe9a92757 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -161,7 +161,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
 			}
 			if (offset > 0 && offset > skb->len) {
 				pr_info("tc filter pedit"
-					" offset %d cant exceed pkt length %d\n",
+					" offset %d can't exceed pkt length %d\n",
 				       offset, skb->len);
 				goto bad;
 			}
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index a4de67eca824..49130e8abff0 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -47,7 +47,7 @@
  * 	on the meta type. Obviously, the length of the data must also
  * 	be provided for non-numeric types.
  *
- * 	Additionaly, type dependant modifiers such as shift operators
+ * 	Additionally, type dependent modifiers such as shift operators
  * 	or mask may be applied to extend the functionaliy. As of now,
  * 	the variable length type supports shifting the byte string to
  * 	the right, eating up any number of octets and thus supporting
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index e1429a85091f..29b942ce9e82 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -183,7 +183,7 @@ static inline struct htb_class *htb_find(u32 handle, struct Qdisc *sch)
  * filters in qdisc and in inner nodes (if higher filter points to the inner
  * node). If we end up with classid MAJOR:0 we enqueue the skb into special
  * internal fifo (direct). These packets then go directly thru. If we still
- * have no valid leaf we try to use MAJOR:default leaf. It still unsuccessfull
+ * have no valid leaf we try to use MAJOR:default leaf. It still unsuccessful
  * then finish and return direct queue.
  */
 #define HTB_DIRECT ((struct htb_class *)-1L)
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index edbbf7ad6623..69c35f6cd13f 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -160,7 +160,7 @@ static bool loss_4state(struct netem_sched_data *q)
 	u32 rnd = net_random();
 
 	/*
-	 * Makes a comparision between rnd and the transition
+	 * Makes a comparison between rnd and the transition
 	 * probabilities outgoing from the current state, then decides the
 	 * next state and if the next packet has to be transmitted or lost.
 	 * The four states correspond to:
@@ -212,9 +212,9 @@ static bool loss_4state(struct netem_sched_data *q)
  * Generates losses according to the Gilbert-Elliot loss model or
  * its special cases  (Gilbert or Simple Gilbert)
  *
- * Makes a comparision between random number and the transition
+ * Makes a comparison between random number and the transition
  * probabilities outgoing from the current state, then decides the
- * next state. A second random number is extracted and the comparision
+ * next state. A second random number is extracted and the comparison
  * with the loss probability of the current state decides if the next
  * packet will be transmitted or lost.
  */
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 6b04287913cd..1a21c571aa03 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -569,6 +569,8 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
 		sctp_assoc_set_primary(asoc, transport);
 	if (asoc->peer.active_path == peer)
 		asoc->peer.active_path = transport;
+	if (asoc->peer.retran_path == peer)
+		asoc->peer.retran_path = transport;
 	if (asoc->peer.last_data_from == peer)
 		asoc->peer.last_data_from = transport;
 
@@ -1323,6 +1325,8 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
 
 	if (t)
 		asoc->peer.retran_path = t;
+	else
+		t = asoc->peer.retran_path;
 
 	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_update_retran_path:association"
 				 " %p addr: ",
@@ -1593,7 +1597,7 @@ void sctp_assoc_clean_asconf_ack_cache(const struct sctp_association *asoc)
 	struct sctp_chunk *ack;
 	struct sctp_chunk *tmp;
 
-	/* We can remove all the entries from the queue upto
+	/* We can remove all the entries from the queue up to
 	 * the "Peer-Sequence-Number".
 	 */
 	list_for_each_entry_safe(ack, tmp, &asoc->asconf_ack_list,
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index ddbbf7c81fa1..865e68fef21c 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -113,7 +113,7 @@ struct sctp_shared_key *sctp_auth_shkey_create(__u16 key_id, gfp_t gfp)
 	return new;
 }
 
-/* Free the shared key stucture */
+/* Free the shared key structure */
 static void sctp_auth_shkey_free(struct sctp_shared_key *sh_key)
 {
 	BUG_ON(!list_empty(&sh_key->key_list));
@@ -122,7 +122,7 @@ static void sctp_auth_shkey_free(struct sctp_shared_key *sh_key)
 	kfree(sh_key);
 }
 
-/* Destory the entire key list.  This is done during the
+/* Destroy the entire key list.  This is done during the
  * associon and endpoint free process.
  */
 void sctp_auth_destroy_keys(struct list_head *keys)
@@ -324,7 +324,7 @@ static struct sctp_auth_bytes *sctp_auth_asoc_create_secret(
 	if (!peer_key_vector || !local_key_vector)
 		goto out;
 
-	/* Figure out the order in wich the key_vectors will be
+	/* Figure out the order in which the key_vectors will be
 	 * added to the endpoint shared key.
 	 * SCTP-AUTH, Section 6.1:
 	 *   This is performed by selecting the numerically smaller key
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 826661be73e7..5436c6921167 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1034,7 +1034,7 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
 *    association.
 *
 * This means that any chunks that can help us identify the association need
-* to be looked at to find this assocation.
+* to be looked at to find this association.
 */
 static struct sctp_association *__sctp_rcv_walk_lookup(struct sk_buff *skb,
 				      const union sctp_addr *laddr,
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 60600d337a3a..b4f3cf06d8da 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -510,7 +510,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 		sh->checksum = sctp_end_cksum(crc32);
 	} else {
 		if (dst->dev->features & NETIF_F_SCTP_CSUM) {
-			/* no need to seed psuedo checksum for SCTP */
+			/* no need to seed pseudo checksum for SCTP */
 			nskb->ip_summed = CHECKSUM_PARTIAL;
 			nskb->csum_start = (skb_transport_header(nskb) -
 			                    nskb->head);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 26dc005113a0..bf92a5b68f8b 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -177,13 +177,13 @@ static inline int sctp_cacc_skip_3_2(struct sctp_transport *primary, __u32 tsn)
  * 3) If the missing report count for TSN t is to be
  * incremented according to [RFC2960] and
  * [SCTP_STEWART-2002], and CHANGEOVER_ACTIVE is set,
- * then the sender MUST futher execute steps 3.1 and
+ * then the sender MUST further execute steps 3.1 and
  * 3.2 to determine if the missing report count for
  * TSN t SHOULD NOT be incremented.
  *
  * 3.3) If 3.1 and 3.2 do not dictate that the missing
  * report count for t should not be incremented, then
- * the sender SOULD increment missing report count for
+ * the sender SHOULD increment missing report count for
  * t (according to [RFC2960] and [SCTP_STEWART_2002]).
  */
 static inline int sctp_cacc_skip(struct sctp_transport *primary,
@@ -843,7 +843,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 		case SCTP_CID_ECN_CWR:
 		case SCTP_CID_ASCONF_ACK:
 			one_packet = 1;
-			/* Fall throught */
+			/* Fall through */
 
 		case SCTP_CID_SACK:
 		case SCTP_CID_HEARTBEAT:
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 152976ec0b74..d5bf91d04f63 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1205,7 +1205,7 @@ SCTP_STATIC __init int sctp_init(void)
 		if ((sctp_assoc_hashsize > (64 * 1024)) && order > 0)
 			continue;
 		sctp_assoc_hashtable = (struct sctp_hashbucket *)
-					__get_free_pages(GFP_ATOMIC, order);
+			__get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
 	} while (!sctp_assoc_hashtable && --order > 0);
 	if (!sctp_assoc_hashtable) {
 		pr_err("Failed association hash alloc\n");
@@ -1238,7 +1238,7 @@ SCTP_STATIC __init int sctp_init(void)
 		if ((sctp_port_hashsize > (64 * 1024)) && order > 0)
 			continue;
 		sctp_port_hashtable = (struct sctp_bind_hashbucket *)
-					__get_free_pages(GFP_ATOMIC, order);
+			__get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
 	} while (!sctp_port_hashtable && --order > 0);
 	if (!sctp_port_hashtable) {
 		pr_err("Failed bind hash alloc\n");
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index de98665db524..b3434cc7d0cf 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3106,10 +3106,10 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
 
 	/* create an ASCONF_ACK chunk.
 	 * Based on the definitions of parameters, we know that the size of
-	 * ASCONF_ACK parameters are less than or equal to the twice of ASCONF
+	 * ASCONF_ACK parameters are less than or equal to the fourfold of ASCONF
 	 * parameters.
 	 */
-	asconf_ack = sctp_make_asconf_ack(asoc, serial, chunk_len * 2);
+	asconf_ack = sctp_make_asconf_ack(asoc, serial, chunk_len * 4);
 	if (!asconf_ack)
 		goto done;
 
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index b21b218d564f..5f86ee4b54c1 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -482,7 +482,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
 	 * If the timer was a heartbeat, we only increment error counts
 	 * when we already have an outstanding HEARTBEAT that has not
 	 * been acknowledged.
-	 * Additionaly, some tranport states inhibit error increments.
+	 * Additionally, some tranport states inhibit error increments.
 	 */
 	if (!is_hb) {
 		asoc->overall_error_count++;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 4b4eb7c96bbd..76792083c379 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -551,7 +551,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
 		 *
 		 * This means that if we only want to abort associations
 		 * in an authenticated way (i.e AUTH+ABORT), then we
-		 * can't destroy this association just becuase the packet
+		 * can't destroy this association just because the packet
 		 * was malformed.
 		 */
 		if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc))
@@ -1546,7 +1546,7 @@ cleanup:
 }
 
 /*
- * Handle simultanous INIT.
+ * Handle simultaneous INIT.
  * This means we started an INIT and then we got an INIT request from
  * our peer.
  *
@@ -2079,7 +2079,7 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
 	 * RFC 2960, Section 3.3.7
 	 *    If an endpoint receives an ABORT with a format error or for an
 	 *    association that doesn't exist, it MUST silently discard it.
-	 * Becasue the length is "invalid", we can't really discard just
+	 * Because the length is "invalid", we can't really discard just
 	 * as we do not know its true length.  So, to be safe, discard the
 	 * packet.
 	 */
@@ -2120,7 +2120,7 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
 	 * RFC 2960, Section 3.3.7
 	 *    If an endpoint receives an ABORT with a format error or for an
 	 *    association that doesn't exist, it MUST silently discard it.
-	 * Becasue the length is "invalid", we can't really discard just
+	 * Because the length is "invalid", we can't really discard just
 	 * as we do not know its true length.  So, to be safe, discard the
 	 * packet.
 	 */
@@ -2381,7 +2381,7 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
 	 * RFC 2960, Section 3.3.7
 	 *    If an endpoint receives an ABORT with a format error or for an
 	 *    association that doesn't exist, it MUST silently discard it.
-	 * Becasue the length is "invalid", we can't really discard just
+	 * Because the length is "invalid", we can't really discard just
 	 * as we do not know its true length.  So, to be safe, discard the
 	 * packet.
 	 */
@@ -2448,7 +2448,7 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
 	 * RFC 2960, Section 3.3.7
 	 *    If an endpoint receives an ABORT with a format error or for an
 	 *    association that doesn't exist, it MUST silently discard it.
-	 * Becasue the length is "invalid", we can't really discard just
+	 * Because the length is "invalid", we can't really discard just
 	 * as we do not know its true length.  So, to be safe, discard the
 	 * packet.
 	 */
@@ -3855,7 +3855,7 @@ gen_shutdown:
 }
 
 /*
- * SCTP-AUTH Section 6.3 Receving authenticated chukns
+ * SCTP-AUTH Section 6.3 Receiving authenticated chukns
  *
  *    The receiver MUST use the HMAC algorithm indicated in the HMAC
  *    Identifier field.  If this algorithm was not specified by the
@@ -4231,7 +4231,7 @@ static sctp_disposition_t sctp_sf_abort_violation(
 	 *
 	 * This means that if we only want to abort associations
 	 * in an authenticated way (i.e AUTH+ABORT), then we
-	 * can't destroy this association just becuase the packet
+	 * can't destroy this association just because the packet
 	 * was malformed.
 	 */
 	if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc))
@@ -4402,9 +4402,9 @@ static sctp_disposition_t sctp_sf_violation_ctsn(
 }
 
 /* Handle protocol violation of an invalid chunk bundling.  For example,
- * when we have an association and we recieve bundled INIT-ACK, or
+ * when we have an association and we receive bundled INIT-ACK, or
  * SHUDOWN-COMPLETE, our peer is clearly violationg the "MUST NOT bundle"
- * statement from the specs.  Additinally, there might be an attacker
+ * statement from the specs.  Additionally, there might be an attacker
  * on the path and we may not want to continue this communication.
  */
 static sctp_disposition_t sctp_sf_violation_chunk(
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 3951a10605bc..deb82e35a107 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1193,7 +1193,7 @@ out_free:
  * an endpoint that is multi-homed.  Much like sctp_bindx() this call
  * allows a caller to specify multiple addresses at which a peer can be
  * reached.  The way the SCTP stack uses the list of addresses to set up
- * the association is implementation dependant.  This function only
+ * the association is implementation dependent.  This function only
  * specifies that the stack will try to make use of all the addresses in
  * the list when needed.
  *
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index aa72e89c3ee1..dff27d5e22fd 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -554,7 +554,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
 	memcpy(&ssf->ssf_info, &chunk->sinfo, sizeof(struct sctp_sndrcvinfo));
 
 	/* Per TSVWG discussion with Randy. Allow the application to
-	 * ressemble a fragmented message.
+	 * resemble a fragmented message.
 	 */
 	ssf->ssf_info.sinfo_flags = chunk->chunk_hdr->flags;
 
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index 17678189d054..f2d1de7f2ffb 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -240,7 +240,7 @@ int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event)
 		} else {
 			/*
 			 * If fragment interleave is enabled, we
-			 * can queue this to the recieve queue instead
+			 * can queue this to the receive queue instead
 			 * of the lobby.
 			 */
 			if (sctp_sk(sk)->frag_interleave)
diff --git a/net/socket.c b/net/socket.c
index 937d0fcf74bc..310d16b1b3c9 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2588,23 +2588,123 @@ static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
 
 static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
 {
+	struct compat_ethtool_rxnfc __user *compat_rxnfc;
+	bool convert_in = false, convert_out = false;
+	size_t buf_size = ALIGN(sizeof(struct ifreq), 8);
+	struct ethtool_rxnfc __user *rxnfc;
 	struct ifreq __user *ifr;
+	u32 rule_cnt = 0, actual_rule_cnt;
+	u32 ethcmd;
 	u32 data;
-	void __user *datap;
+	int ret;
+
+	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+		return -EFAULT;
 
-	ifr = compat_alloc_user_space(sizeof(*ifr));
+	compat_rxnfc = compat_ptr(data);
 
-	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+	if (get_user(ethcmd, &compat_rxnfc->cmd))
 		return -EFAULT;
 
-	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+	/* Most ethtool structures are defined without padding.
+	 * Unfortunately struct ethtool_rxnfc is an exception.
+	 */
+	switch (ethcmd) {
+	default:
+		break;
+	case ETHTOOL_GRXCLSRLALL:
+		/* Buffer size is variable */
+		if (get_user(rule_cnt, &compat_rxnfc->rule_cnt))
+			return -EFAULT;
+		if (rule_cnt > KMALLOC_MAX_SIZE / sizeof(u32))
+			return -ENOMEM;
+		buf_size += rule_cnt * sizeof(u32);
+		/* fall through */
+	case ETHTOOL_GRXRINGS:
+	case ETHTOOL_GRXCLSRLCNT:
+	case ETHTOOL_GRXCLSRULE:
+		convert_out = true;
+		/* fall through */
+	case ETHTOOL_SRXCLSRLDEL:
+	case ETHTOOL_SRXCLSRLINS:
+		buf_size += sizeof(struct ethtool_rxnfc);
+		convert_in = true;
+		break;
+	}
+
+	ifr = compat_alloc_user_space(buf_size);
+	rxnfc = (void *)ifr + ALIGN(sizeof(struct ifreq), 8);
+
+	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
 		return -EFAULT;
 
-	datap = compat_ptr(data);
-	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
+	if (put_user(convert_in ? rxnfc : compat_ptr(data),
+		     &ifr->ifr_ifru.ifru_data))
 		return -EFAULT;
 
-	return dev_ioctl(net, SIOCETHTOOL, ifr);
+	if (convert_in) {
+		/* We expect there to be holes between fs.m_u and
+		 * fs.ring_cookie and at the end of fs, but nowhere else.
+		 */
+		BUILD_BUG_ON(offsetof(struct compat_ethtool_rxnfc, fs.m_u) +
+			     sizeof(compat_rxnfc->fs.m_u) !=
+			     offsetof(struct ethtool_rxnfc, fs.m_u) +
+			     sizeof(rxnfc->fs.m_u));
+		BUILD_BUG_ON(
+			offsetof(struct compat_ethtool_rxnfc, fs.location) -
+			offsetof(struct compat_ethtool_rxnfc, fs.ring_cookie) !=
+			offsetof(struct ethtool_rxnfc, fs.location) -
+			offsetof(struct ethtool_rxnfc, fs.ring_cookie));
+
+		if (copy_in_user(rxnfc, compat_rxnfc,
+				 (void *)(&rxnfc->fs.m_u + 1) -
+				 (void *)rxnfc) ||
+		    copy_in_user(&rxnfc->fs.ring_cookie,
+				 &compat_rxnfc->fs.ring_cookie,
+				 (void *)(&rxnfc->fs.location + 1) -
+				 (void *)&rxnfc->fs.ring_cookie) ||
+		    copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
+				 sizeof(rxnfc->rule_cnt)))
+			return -EFAULT;
+	}
+
+	ret = dev_ioctl(net, SIOCETHTOOL, ifr);
+	if (ret)
+		return ret;
+
+	if (convert_out) {
+		if (copy_in_user(compat_rxnfc, rxnfc,
+				 (const void *)(&rxnfc->fs.m_u + 1) -
+				 (const void *)rxnfc) ||
+		    copy_in_user(&compat_rxnfc->fs.ring_cookie,
+				 &rxnfc->fs.ring_cookie,
+				 (const void *)(&rxnfc->fs.location + 1) -
+				 (const void *)&rxnfc->fs.ring_cookie) ||
+		    copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt,
+				 sizeof(rxnfc->rule_cnt)))
+			return -EFAULT;
+
+		if (ethcmd == ETHTOOL_GRXCLSRLALL) {
+			/* As an optimisation, we only copy the actual
+			 * number of rules that the underlying
+			 * function returned.  Since Mallory might
+			 * change the rule count in user memory, we
+			 * check that it is less than the rule count
+			 * originally given (as the user buffer size),
+			 * which has been range-checked.
+			 */
+			if (get_user(actual_rule_cnt, &rxnfc->rule_cnt))
+				return -EFAULT;
+			if (actual_rule_cnt < rule_cnt)
+				rule_cnt = actual_rule_cnt;
+			if (copy_in_user(&compat_rxnfc->rule_locs[0],
+					 &rxnfc->rule_locs[0],
+					 rule_cnt * sizeof(u32)))
+				return -EFAULT;
+		}
+	}
+
+	return 0;
 }
 
 static int compat_siocwandev(struct net *net, struct compat_ifreq __user *uifr32)
@@ -2886,7 +2986,7 @@ out:
 
 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
  * for some operations; this forces use of the newer bridge-utils that
- * use compatiable ioctls
+ * use compatible ioctls
  */
 static int old_bridge_ioctl(compat_ulong_t __user *argp)
 {
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 9022f0a6503e..0a9a2ec2e469 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -427,7 +427,7 @@ static int
 context_derive_keys_rc4(struct krb5_ctx *ctx)
 {
 	struct crypto_hash *hmac;
-	static const char sigkeyconstant[] = "signaturekey";
+	char sigkeyconstant[] = "signaturekey";
 	int slen = strlen(sigkeyconstant) + 1;	/* include null terminator */
 	struct hash_desc desc;
 	struct scatterlist sg[1];
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index 8b4061049d76..e3c36a274412 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -160,6 +160,28 @@ gss_mech_get_by_name(const char *name)
 
 EXPORT_SYMBOL_GPL(gss_mech_get_by_name);
 
+struct gss_api_mech *
+gss_mech_get_by_OID(struct xdr_netobj *obj)
+{
+	struct gss_api_mech	*pos, *gm = NULL;
+
+	spin_lock(&registered_mechs_lock);
+	list_for_each_entry(pos, &registered_mechs, gm_list) {
+		if (obj->len == pos->gm_oid.len) {
+			if (0 == memcmp(obj->data, pos->gm_oid.data, obj->len)) {
+				if (try_module_get(pos->gm_owner))
+					gm = pos;
+				break;
+			}
+		}
+	}
+	spin_unlock(&registered_mechs_lock);
+	return gm;
+
+}
+
+EXPORT_SYMBOL_GPL(gss_mech_get_by_OID);
+
 static inline int
 mech_supports_pseudoflavor(struct gss_api_mech *gm, u32 pseudoflavor)
 {
@@ -193,6 +215,22 @@ gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
 
 EXPORT_SYMBOL_GPL(gss_mech_get_by_pseudoflavor);
 
+int gss_mech_list_pseudoflavors(rpc_authflavor_t *array_ptr)
+{
+	struct gss_api_mech *pos = NULL;
+	int i = 0;
+
+	spin_lock(&registered_mechs_lock);
+	list_for_each_entry(pos, &registered_mechs, gm_list) {
+		array_ptr[i] = pos->gm_pfs->pseudoflavor;
+		i++;
+	}
+	spin_unlock(&registered_mechs_lock);
+	return i;
+}
+
+EXPORT_SYMBOL_GPL(gss_mech_list_pseudoflavors);
+
 u32
 gss_svc_to_pseudoflavor(struct gss_api_mech *gm, u32 service)
 {
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index bcdae78fdfc6..8d0f7d3c71c8 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1101,7 +1101,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
 
 	/* credential is:
 	 *   version(==1), proc(0,1,2,3), seq, service (1,2,3), handle
-	 * at least 5 u32s, and is preceeded by length, so that makes 6.
+	 * at least 5 u32s, and is preceded by length, so that makes 6.
 	 */
 
 	if (argv->iov_len < 5 * 4)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index ffb687671da0..6b43ee7221d5 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -860,8 +860,10 @@ static void rpc_release_resources_task(struct rpc_task *task)
 {
 	if (task->tk_rqstp)
 		xprt_release(task);
-	if (task->tk_msg.rpc_cred)
+	if (task->tk_msg.rpc_cred) {
 		put_rpccred(task->tk_msg.rpc_cred);
+		task->tk_msg.rpc_cred = NULL;
+	}
 	rpc_task_release_client(task);
 }
 
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 30916b06c12b..c8e10216c113 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -38,6 +38,14 @@ struct unix_domain {
 
 extern struct auth_ops svcauth_unix;
 
+static void svcauth_unix_domain_release(struct auth_domain *dom)
+{
+	struct unix_domain *ud = container_of(dom, struct unix_domain, h);
+
+	kfree(dom->name);
+	kfree(ud);
+}
+
 struct auth_domain *unix_domain_find(char *name)
 {
 	struct auth_domain *rv;
@@ -47,7 +55,7 @@ struct auth_domain *unix_domain_find(char *name)
 	while(1) {
 		if (rv) {
 			if (new && rv != &new->h)
-				auth_domain_put(&new->h);
+				svcauth_unix_domain_release(&new->h);
 
 			if (rv->flavour != &svcauth_unix) {
 				auth_domain_put(rv);
@@ -74,14 +82,6 @@ struct auth_domain *unix_domain_find(char *name)
 }
 EXPORT_SYMBOL_GPL(unix_domain_find);
 
-static void svcauth_unix_domain_release(struct auth_domain *dom)
-{
-	struct unix_domain *ud = container_of(dom, struct unix_domain, h);
-
-	kfree(dom->name);
-	kfree(ud);
-}
-
 
 /**************************************************
  * cache for IP address to unix_domain
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index be96d429b475..bf005d3c65ef 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -504,7 +504,7 @@ static int xs_nospace(struct rpc_task *task)
  *   EAGAIN:	The socket was blocked, please call again later to
  *		complete the request
  * ENOTCONN:	Caller needs to invoke connect logic then call again
- *    other:	Some other error occured, the request was not sent
+ *    other:	Some other error occurred, the request was not sent
  */
 static int xs_udp_send_request(struct rpc_task *task)
 {
@@ -590,7 +590,7 @@ static inline void xs_encode_tcp_record_marker(struct xdr_buf *buf)
  *   EAGAIN:	The socket was blocked, please call again later to
  *		complete the request
  * ENOTCONN:	Caller needs to invoke connect logic then call again
- *    other:	Some other error occured, the request was not sent
+ *    other:	Some other error occurred, the request was not sent
  *
  * XXX: In the case of soft timeouts, should we eventually give up
  *	if sendmsg is not able to make progress?
@@ -710,6 +710,8 @@ static void xs_reset_transport(struct sock_xprt *transport)
 	if (sk == NULL)
 		return;
 
+	transport->srcport = 0;
+
 	write_lock_bh(&sk->sk_callback_lock);
 	transport->inet = NULL;
 	transport->sock = NULL;
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 43639ff1cbec..ebf338f7b14e 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -2471,7 +2471,7 @@ exit:
  * A pending message being re-assembled must store certain values
  * to handle subsequent fragments correctly. The following functions
  * help storing these values in unused, available fields in the
- * pending message. This makes dynamic memory allocation unecessary.
+ * pending message. This makes dynamic memory allocation unnecessary.
  */
 
 static void set_long_msg_seqno(struct sk_buff *buf, u32 seqno)
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index c9fa6dfcf287..80025a1b3bfd 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -160,7 +160,7 @@ void tipc_named_withdraw(struct publication *publ)
 
 	buf = named_prepare_buf(WITHDRAWAL, ITEM_SIZE, 0);
 	if (!buf) {
-		warn("Withdrawl distribution failure\n");
+		warn("Withdrawal distribution failure\n");
 		return;
 	}
 
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 1663e1a2efdd..3a43a8304768 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -207,7 +207,7 @@ static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned *hashp)
 		/*
 		 * This may look like an off by one error but it is a bit more
 		 * subtle. 108 is the longest valid AF_UNIX path for a binding.
-		 * sun_path[108] doesnt as such exist.  However in kernel space
+		 * sun_path[108] doesn't as such exist.  However in kernel space
 		 * we are guaranteed that it is a valid memory location in our
 		 * kernel address buffer.
 		 */
diff --git a/net/wanrouter/wanproc.c b/net/wanrouter/wanproc.c
index 11f25c7a7a05..f346395314ba 100644
--- a/net/wanrouter/wanproc.c
+++ b/net/wanrouter/wanproc.c
@@ -51,7 +51,7 @@
 
 /*
  *	Structures for interfacing with the /proc filesystem.
- *	Router creates its own directory /proc/net/router with the folowing
+ *	Router creates its own directory /proc/net/router with the following
  *	entries:
  *	config		device configuration
  *	status		global device statistics
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 3332d5bce317..ab801a1097b2 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -809,7 +809,7 @@ static void handle_channel(struct wiphy *wiphy,
 	if (r) {
 		/*
 		 * We will disable all channels that do not match our
-		 * recieved regulatory rule unless the hint is coming
+		 * received regulatory rule unless the hint is coming
 		 * from a Country IE and the Country IE had no information
 		 * about a band. The IEEE 802.11 spec allows for an AP
 		 * to send only a subset of the regulatory rules allowed,
@@ -838,7 +838,7 @@ static void handle_channel(struct wiphy *wiphy,
 	    request_wiphy && request_wiphy == wiphy &&
 	    request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
 		/*
-		 * This gaurantees the driver's requested regulatory domain
+		 * This guarantees the driver's requested regulatory domain
 		 * will always be used as a base for further regulatory
 		 * settings
 		 */
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index ea427f418f64..fbf6f33ae4d0 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -124,6 +124,15 @@ void cfg80211_bss_age(struct cfg80211_registered_device *dev,
 }
 
 /* must hold dev->bss_lock! */
+static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev,
+				  struct cfg80211_internal_bss *bss)
+{
+	list_del_init(&bss->list);
+	rb_erase(&bss->rbn, &dev->bss_tree);
+	kref_put(&bss->ref, bss_release);
+}
+
+/* must hold dev->bss_lock! */
 void cfg80211_bss_expire(struct cfg80211_registered_device *dev)
 {
 	struct cfg80211_internal_bss *bss, *tmp;
@@ -134,9 +143,7 @@ void cfg80211_bss_expire(struct cfg80211_registered_device *dev)
 			continue;
 		if (!time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE))
 			continue;
-		list_del(&bss->list);
-		rb_erase(&bss->rbn, &dev->bss_tree);
-		kref_put(&bss->ref, bss_release);
+		__cfg80211_unlink_bss(dev, bss);
 		expired = true;
 	}
 
@@ -585,16 +592,23 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
 	struct cfg80211_internal_bss *res;
 	size_t ielen = len - offsetof(struct ieee80211_mgmt,
 				      u.probe_resp.variable);
-	size_t privsz = wiphy->bss_priv_size;
+	size_t privsz;
+
+	if (WARN_ON(!mgmt))
+		return NULL;
+
+	if (WARN_ON(!wiphy))
+		return NULL;
 
 	if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC &&
 	            (signal < 0 || signal > 100)))
 		return NULL;
 
-	if (WARN_ON(!mgmt || !wiphy ||
-		    len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
+	if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
 		return NULL;
 
+	privsz = wiphy->bss_priv_size;
+
 	res = kzalloc(sizeof(*res) + privsz + ielen, gfp);
 	if (!res)
 		return NULL;
@@ -662,11 +676,8 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
 
 	spin_lock_bh(&dev->bss_lock);
 	if (!list_empty(&bss->list)) {
-		list_del_init(&bss->list);
+		__cfg80211_unlink_bss(dev, bss);
 		dev->bss_generation++;
-		rb_erase(&bss->rbn, &dev->bss_tree);
-
-		kref_put(&bss->ref, bss_release);
 	}
 	spin_unlock_bh(&dev->bss_lock);
 }
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 406207515b5e..f77e4e75f914 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -31,7 +31,7 @@
  * x25_parse_facilities - Parse facilities from skb into the facilities structs
  *
  * @skb: sk_buff to parse
- * @facilities: Regular facilites, updated as facilities are found
+ * @facilities: Regular facilities, updated as facilities are found
  * @dte_facs: ITU DTE facilities, updated as DTE facilities are found
  * @vc_fac_mask: mask is updated with all facilities found
  *
diff --git a/net/x25/x25_forward.c b/net/x25/x25_forward.c
index 25a810793968..c541b622ae16 100644
--- a/net/x25/x25_forward.c
+++ b/net/x25/x25_forward.c
@@ -31,7 +31,7 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from,
 		goto out_no_route;
 
 	if ((neigh_new = x25_get_neigh(rt->dev)) == NULL) {
-		/* This shouldnt happen, if it occurs somehow
+		/* This shouldn't happen, if it occurs somehow
 		 * do something sensible
 		 */
 		goto out_put_route;
@@ -45,7 +45,7 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from,
 	}
 
 	/* Remote end sending a call request on an already
-	 * established LCI? It shouldnt happen, just in case..
+	 * established LCI? It shouldn't happen, just in case..
 	 */
 	read_lock_bh(&x25_forward_list_lock);
 	list_for_each(entry, &x25_forward_list) {
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 872065ca7f8c..a026b0ef2443 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -173,7 +173,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 			goto drop_unlock;
 		}
 
-		if (x->props.replay_window && x->repl->check(x, skb, seq)) {
+		if (x->repl->check(x, skb, seq)) {
 			XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR);
 			goto drop_unlock;
 		}
@@ -190,6 +190,8 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 		XFRM_SKB_CB(skb)->seq.input.low = seq;
 		XFRM_SKB_CB(skb)->seq.input.hi = seq_hi;
 
+		skb_dst_force(skb);
+
 		nexthdr = x->type->input(x, skb);
 
 		if (nexthdr == -EINPROGRESS)
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 1aba03f449cc..47bacd8c0250 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -78,6 +78,8 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
 
 		spin_unlock_bh(&x->lock);
 
+		skb_dst_force(skb);
+
 		err = x->type->output(x, skb);
 		if (err == -EINPROGRESS)
 			goto out_exit;
@@ -94,7 +96,7 @@ resume:
 			err = -EHOSTUNREACH;
 			goto error_nolock;
 		}
-		skb_dst_set(skb, dst_clone(dst));
+		skb_dst_set(skb, dst);
 		x = dst->xfrm;
 	} while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL));
 
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 2f5be5b15740..f218385950ca 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -118,6 +118,9 @@ static int xfrm_replay_check(struct xfrm_state *x,
 	u32 diff;
 	u32 seq = ntohl(net_seq);
 
+	if (!x->props.replay_window)
+		return 0;
+
 	if (unlikely(seq == 0))
 		goto err;
 
@@ -193,9 +196,14 @@ static int xfrm_replay_check_bmp(struct xfrm_state *x,
 {
 	unsigned int bitnr, nr;
 	struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
+	u32 pos;
 	u32 seq = ntohl(net_seq);
 	u32 diff =  replay_esn->seq - seq;
-	u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+
+	if (!replay_esn->replay_window)
+		return 0;
+
+	pos = (replay_esn->seq - 1) % replay_esn->replay_window;
 
 	if (unlikely(seq == 0))
 		goto err;
@@ -373,12 +381,17 @@ static int xfrm_replay_check_esn(struct xfrm_state *x,
 	unsigned int bitnr, nr;
 	u32 diff;
 	struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
+	u32 pos;
 	u32 seq = ntohl(net_seq);
-	u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window;
 	u32 wsize = replay_esn->replay_window;
 	u32 top = replay_esn->seq;
 	u32 bottom = top - wsize + 1;
 
+	if (!wsize)
+		return 0;
+
+	pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+
 	if (unlikely(seq == 0 && replay_esn->seq_hi == 0 &&
 		     (replay_esn->seq < replay_esn->replay_window - 1)))
 		goto err;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d575f0534868..dd78536d40de 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1181,6 +1181,12 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
 			goto error;
 	}
 
+	if (orig->replay_esn) {
+		err = xfrm_replay_clone(x, orig);
+		if (err)
+			goto error;
+	}
+
 	memcpy(&x->mark, &orig->mark, sizeof(x->mark));
 
 	err = xfrm_init_state(x);
@@ -1907,7 +1913,7 @@ int xfrm_state_mtu(struct xfrm_state *x, int mtu)
 	return res;
 }
 
-int xfrm_init_state(struct xfrm_state *x)
+int __xfrm_init_state(struct xfrm_state *x, bool init_replay)
 {
 	struct xfrm_state_afinfo *afinfo;
 	struct xfrm_mode *inner_mode;
@@ -1980,12 +1986,25 @@ int xfrm_init_state(struct xfrm_state *x)
 	if (x->outer_mode == NULL)
 		goto error;
 
+	if (init_replay) {
+		err = xfrm_init_replay(x);
+		if (err)
+			goto error;
+	}
+
 	x->km.state = XFRM_STATE_VALID;
 
 error:
 	return err;
 }
 
+EXPORT_SYMBOL(__xfrm_init_state);
+
+int xfrm_init_state(struct xfrm_state *x)
+{
+	return __xfrm_init_state(x, true);
+}
+
 EXPORT_SYMBOL(xfrm_init_state);
 
 int __net_init xfrm_state_init(struct net *net)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 706385ae3e4b..5d1d60d3ca83 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -127,6 +127,9 @@ static inline int verify_replay(struct xfrm_usersa_info *p,
 	if (!rt)
 		return 0;
 
+	if (p->id.proto != IPPROTO_ESP)
+		return -EINVAL;
+
 	if (p->replay_window != 0)
 		return -EINVAL;
 
@@ -360,6 +363,23 @@ static int attach_aead(struct xfrm_algo_aead **algpp, u8 *props,
 	return 0;
 }
 
+static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_esn,
+					 struct nlattr *rp)
+{
+	struct xfrm_replay_state_esn *up;
+
+	if (!replay_esn || !rp)
+		return 0;
+
+	up = nla_data(rp);
+
+	if (xfrm_replay_state_esn_len(replay_esn) !=
+			xfrm_replay_state_esn_len(up))
+		return -EINVAL;
+
+	return 0;
+}
+
 static int xfrm_alloc_replay_state_esn(struct xfrm_replay_state_esn **replay_esn,
 				       struct xfrm_replay_state_esn **preplay_esn,
 				       struct nlattr *rta)
@@ -511,7 +531,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
 
 	xfrm_mark_get(attrs, &x->mark);
 
-	err = xfrm_init_state(x);
+	err = __xfrm_init_state(x, false);
 	if (err)
 		goto error;
 
@@ -874,7 +894,7 @@ static int build_spdinfo(struct sk_buff *skb, struct net *net,
 	u32 *f;
 
 	nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSPDINFO, sizeof(u32), 0);
-	if (nlh == NULL) /* shouldnt really happen ... */
+	if (nlh == NULL) /* shouldn't really happen ... */
 		return -EMSGSIZE;
 
 	f = nlmsg_data(nlh);
@@ -934,7 +954,7 @@ static int build_sadinfo(struct sk_buff *skb, struct net *net,
 	u32 *f;
 
 	nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSADINFO, sizeof(u32), 0);
-	if (nlh == NULL) /* shouldnt really happen ... */
+	if (nlh == NULL) /* shouldn't really happen ... */
 		return -EMSGSIZE;
 
 	f = nlmsg_data(nlh);
@@ -1341,7 +1361,7 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if (!xp)
 		return err;
 
-	/* shouldnt excl be based on nlh flags??
+	/* shouldn't excl be based on nlh flags??
 	 * Aha! this is anti-netlink really i.e  more pfkey derived
 	 * in netlink excl is a flag and you wouldnt need
 	 * a type XFRM_MSG_UPDPOLICY - JHS */
@@ -1766,6 +1786,10 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if (x->km.state != XFRM_STATE_VALID)
 		goto out;
 
+	err = xfrm_replay_verify_len(x->replay_esn, rp);
+	if (err)
+		goto out;
+
 	spin_lock_bh(&x->lock);
 	xfrm_update_ae_params(x, attrs);
 	spin_unlock_bh(&x->lock);