13 files changed, 111 insertions, 100 deletions
diff --git a/net/core/Makefile b/net/core/Makefile
index a10c3bd96798..b2a76ce33932 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -45,5 +45,5 @@ obj-$(CONFIG_BPF_SYSCALL) += bpf_sk_storage.o
 obj-$(CONFIG_OF)	+= of_net.o
 obj-$(CONFIG_NET_TEST) += net_test.o
 obj-$(CONFIG_NET_DEVMEM) += devmem.o
-obj-$(CONFIG_DEBUG_NET_SMALL_RTNL) += rtnl_net_debug.o
+obj-$(CONFIG_DEBUG_NET) += lock_debug.o
 obj-$(CONFIG_FAIL_SKB_REALLOC) += skb_fault_injection.o
diff --git a/net/core/dev.c b/net/core/dev.c
index be17e0660144..0608605cfc24 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1771,6 +1771,7 @@ void netif_disable_lro(struct net_device *dev)
 		netdev_unlock_ops(lower_dev);
 	}
 }
+EXPORT_IPV6_MOD(netif_disable_lro);
 
 /**
  *	dev_disable_gro_hw - disable HW Generic Receive Offload on a device
@@ -1858,7 +1859,9 @@ static int call_netdevice_register_net_notifiers(struct notifier_block *nb,
 	int err;
 
 	for_each_netdev(net, dev) {
+		netdev_lock_ops(dev);
 		err = call_netdevice_register_notifiers(nb, dev);
+		netdev_unlock_ops(dev);
 		if (err)
 			goto rollback;
 	}
@@ -10284,7 +10287,9 @@ int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
 		goto unlock;
 	}
 
+	netdev_lock_ops(dev);
 	err = dev_xdp_attach_link(dev, &extack, link);
+	netdev_unlock_ops(dev);
 	rtnl_unlock();
 
 	if (err) {
@@ -11045,7 +11050,9 @@ int register_netdevice(struct net_device *dev)
 		memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
 	/* Notify protocols, that a new device appeared. */
+	netdev_lock_ops(dev);
 	ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);
+	netdev_unlock_ops(dev);
 	ret = notifier_to_errno(ret);
 	if (ret) {
 		/* Expect explicit free_netdev() on failure */
@@ -12057,7 +12064,7 @@ void unregister_netdev(struct net_device *dev)
 }
 EXPORT_SYMBOL(unregister_netdev);
 
-int netif_change_net_namespace(struct net_device *dev, struct net *net,
+int __dev_change_net_namespace(struct net_device *dev, struct net *net,
 			       const char *pat, int new_ifindex,
 			       struct netlink_ext_ack *extack)
 {
@@ -12142,11 +12149,12 @@ int netif_change_net_namespace(struct net_device *dev, struct net *net,
 	 * And now a mini version of register_netdevice unregister_netdevice.
 	 */
 
+	netdev_lock_ops(dev);
 	/* If device is running close it first. */
 	netif_close(dev);
-
 	/* And unlink it from device chain */
 	unlist_netdevice(dev);
+	netdev_unlock_ops(dev);
 
 	synchronize_net();
 
@@ -12208,11 +12216,12 @@ int netif_change_net_namespace(struct net_device *dev, struct net *net,
 	err = netdev_change_owner(dev, net_old, net);
 	WARN_ON(err);
 
+	netdev_lock_ops(dev);
 	/* Add the device back in the hashes */
 	list_netdevice(dev);
-
 	/* Notify protocols, that a new device appeared. */
 	call_netdevice_notifiers(NETDEV_REGISTER, dev);
+	netdev_unlock_ops(dev);
 
 	/*
 	 *	Prevent userspace races by waiting until the network
diff --git a/net/core/dev_api.c b/net/core/dev_api.c
index 8dbc60612100..90bafb0b1b8c 100644
--- a/net/core/dev_api.c
+++ b/net/core/dev_api.c
@@ -117,13 +117,7 @@ EXPORT_SYMBOL(dev_set_mac_address_user);
 int dev_change_net_namespace(struct net_device *dev, struct net *net,
 			     const char *pat)
 {
-	int ret;
-
-	netdev_lock_ops(dev);
-	ret = netif_change_net_namespace(dev, net, pat, 0, NULL);
-	netdev_unlock_ops(dev);
-
-	return ret;
+	return __dev_change_net_namespace(dev, net, pat, 0, NULL);
 }
 EXPORT_SYMBOL_GPL(dev_change_net_namespace);
 
diff --git a/net/core/devmem.c b/net/core/devmem.c
index ee145a2aa41c..6e27a47d0493 100644
--- a/net/core/devmem.c
+++ b/net/core/devmem.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/dma-buf.h>
-#include <linux/ethtool_netlink.h>
 #include <linux/genalloc.h>
 #include <linux/mm.h>
 #include <linux/netdevice.h>
@@ -117,21 +116,19 @@ void net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding)
 	struct netdev_rx_queue *rxq;
 	unsigned long xa_idx;
 	unsigned int rxq_idx;
-	int err;
 
 	if (binding->list.next)
 		list_del(&binding->list);
 
 	xa_for_each(&binding->bound_rxqs, xa_idx, rxq) {
-		WARN_ON(rxq->mp_params.mp_priv != binding);
-
-		rxq->mp_params.mp_priv = NULL;
-		rxq->mp_params.mp_ops = NULL;
+		const struct pp_memory_provider_params mp_params = {
+			.mp_priv	= binding,
+			.mp_ops		= &dmabuf_devmem_ops,
+		};
 
 		rxq_idx = get_netdev_rx_queue_index(rxq);
 
-		err = netdev_rx_queue_restart(binding->dev, rxq_idx);
-		WARN_ON(err && err != -ENETDOWN);
+		__net_mp_close_rxq(binding->dev, rxq_idx, &mp_params);
 	}
 
 	xa_erase(&net_devmem_dmabuf_bindings, binding->id);
@@ -143,57 +140,28 @@ int net_devmem_bind_dmabuf_to_queue(struct net_device *dev, u32 rxq_idx,
 				    struct net_devmem_dmabuf_binding *binding,
 				    struct netlink_ext_ack *extack)
 {
+	struct pp_memory_provider_params mp_params = {
+		.mp_priv	= binding,
+		.mp_ops		= &dmabuf_devmem_ops,
+	};
 	struct netdev_rx_queue *rxq;
 	u32 xa_idx;
 	int err;
 
-	if (rxq_idx >= dev->real_num_rx_queues) {
-		NL_SET_ERR_MSG(extack, "rx queue index out of range");
-		return -ERANGE;
-	}
-
-	if (dev->cfg->hds_config != ETHTOOL_TCP_DATA_SPLIT_ENABLED) {
-		NL_SET_ERR_MSG(extack, "tcp-data-split is disabled");
-		return -EINVAL;
-	}
-
-	if (dev->cfg->hds_thresh) {
-		NL_SET_ERR_MSG(extack, "hds-thresh is not zero");
-		return -EINVAL;
-	}
+	err = __net_mp_open_rxq(dev, rxq_idx, &mp_params, extack);
+	if (err)
+		return err;
 
 	rxq = __netif_get_rx_queue(dev, rxq_idx);
-	if (rxq->mp_params.mp_ops) {
-		NL_SET_ERR_MSG(extack, "designated queue already memory provider bound");
-		return -EEXIST;
-	}
-
-#ifdef CONFIG_XDP_SOCKETS
-	if (rxq->pool) {
-		NL_SET_ERR_MSG(extack, "designated queue already in use by AF_XDP");
-		return -EBUSY;
-	}
-#endif
-
 	err = xa_alloc(&binding->bound_rxqs, &xa_idx, rxq, xa_limit_32b,
 		       GFP_KERNEL);
 	if (err)
-		return err;
-
-	rxq->mp_params.mp_priv = binding;
-	rxq->mp_params.mp_ops = &dmabuf_devmem_ops;
-
-	err = netdev_rx_queue_restart(dev, rxq_idx);
-	if (err)
-		goto err_xa_erase;
+		goto err_close_rxq;
 
 	return 0;
 
-err_xa_erase:
-	rxq->mp_params.mp_priv = NULL;
-	rxq->mp_params.mp_ops = NULL;
-	xa_erase(&binding->bound_rxqs, xa_idx);
-
+err_close_rxq:
+	__net_mp_close_rxq(dev, rxq_idx, &mp_params);
 	return err;
 }
 
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 212f0a048cab..8a7ce640f74d 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -1088,7 +1088,7 @@ err_module_put:
 		struct per_cpu_dm_data *hw_data = &per_cpu(dm_hw_cpu_data, cpu);
 		struct sk_buff *skb;
 
-		del_timer_sync(&hw_data->send_timer);
+		timer_delete_sync(&hw_data->send_timer);
 		cancel_work_sync(&hw_data->dm_alert_work);
 		while ((skb = __skb_dequeue(&hw_data->drop_queue))) {
 			struct devlink_trap_metadata *hw_metadata;
@@ -1122,7 +1122,7 @@ static void net_dm_hw_monitor_stop(struct netlink_ext_ack *extack)
 		struct per_cpu_dm_data *hw_data = &per_cpu(dm_hw_cpu_data, cpu);
 		struct sk_buff *skb;
 
-		del_timer_sync(&hw_data->send_timer);
+		timer_delete_sync(&hw_data->send_timer);
 		cancel_work_sync(&hw_data->dm_alert_work);
 		while ((skb = __skb_dequeue(&hw_data->drop_queue))) {
 			struct devlink_trap_metadata *hw_metadata;
@@ -1183,7 +1183,7 @@ err_module_put:
 		struct per_cpu_dm_data *data = &per_cpu(dm_cpu_data, cpu);
 		struct sk_buff *skb;
 
-		del_timer_sync(&data->send_timer);
+		timer_delete_sync(&data->send_timer);
 		cancel_work_sync(&data->dm_alert_work);
 		while ((skb = __skb_dequeue(&data->drop_queue)))
 			consume_skb(skb);
@@ -1211,7 +1211,7 @@ static void net_dm_trace_off_set(void)
 		struct per_cpu_dm_data *data = &per_cpu(dm_cpu_data, cpu);
 		struct sk_buff *skb;
 
-		del_timer_sync(&data->send_timer);
+		timer_delete_sync(&data->send_timer);
 		cancel_work_sync(&data->dm_alert_work);
 		while ((skb = __skb_dequeue(&data->drop_queue)))
 			consume_skb(skb);
diff --git a/net/core/dst.c b/net/core/dst.c
index c99b95cf9cbb..795ca07e28a4 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -165,6 +165,14 @@ static void dst_count_dec(struct dst_entry *dst)
 void dst_release(struct dst_entry *dst)
 {
 	if (dst && rcuref_put(&dst->__rcuref)) {
+#ifdef CONFIG_DST_CACHE
+		if (dst->flags & DST_METADATA) {
+			struct metadata_dst *md_dst = (struct metadata_dst *)dst;
+
+			if (md_dst->type == METADATA_IP_TUNNEL)
+				dst_cache_reset_now(&md_dst->u.tun_info.dst_cache);
+		}
+#endif
 		dst_count_dec(dst);
 		call_rcu_hurry(&dst->rcu_head, dst_destroy_rcu);
 	}
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 412816076b8b..2b821b9a8699 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -177,7 +177,7 @@ int gen_new_estimator(struct gnet_stats_basic_sync *bstats,
 		spin_lock_bh(lock);
 	old = rcu_dereference_protected(*rate_est, 1);
 	if (old) {
-		del_timer_sync(&old->timer);
+		timer_delete_sync(&old->timer);
 		est->avbps = old->avbps;
 		est->avpps = old->avpps;
 	}
diff --git a/net/core/rtnl_net_debug.c b/net/core/lock_debug.c
index 7ecd28cc1c22..b7f22dc92a6f 100644
--- a/net/core/rtnl_net_debug.c
+++ b/net/core/lock_debug.c
@@ -6,10 +6,11 @@
 #include <linux/notifier.h>
 #include <linux/rtnetlink.h>
 #include <net/net_namespace.h>
+#include <net/netdev_lock.h>
 #include <net/netns/generic.h>
 
-static int rtnl_net_debug_event(struct notifier_block *nb,
-				unsigned long event, void *ptr)
+int netdev_debug_event(struct notifier_block *nb, unsigned long event,
+		       void *ptr)
 {
 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct net *net = dev_net(dev);
@@ -17,11 +18,13 @@ static int rtnl_net_debug_event(struct notifier_block *nb,
 
 	/* Keep enum and don't add default to trigger -Werror=switch */
 	switch (cmd) {
+	case NETDEV_REGISTER:
 	case NETDEV_UP:
+		netdev_ops_assert_locked(dev);
+		fallthrough;
 	case NETDEV_DOWN:
 	case NETDEV_REBOOT:
 	case NETDEV_CHANGE:
-	case NETDEV_REGISTER:
 	case NETDEV_UNREGISTER:
 	case NETDEV_CHANGEMTU:
 	case NETDEV_CHANGEADDR:
@@ -66,6 +69,7 @@ static int rtnl_net_debug_event(struct notifier_block *nb,
 
 	return NOTIFY_DONE;
 }
+EXPORT_SYMBOL_NS_GPL(netdev_debug_event, "NETDEV_INTERNAL");
 
 static int rtnl_net_debug_net_id;
 
@@ -74,7 +78,7 @@ static int __net_init rtnl_net_debug_net_init(struct net *net)
 	struct notifier_block *nb;
 
 	nb = net_generic(net, rtnl_net_debug_net_id);
-	nb->notifier_call = rtnl_net_debug_event;
+	nb->notifier_call = netdev_debug_event;
 
 	return register_netdevice_notifier_net(net, nb);
 }
@@ -95,14 +99,14 @@ static struct pernet_operations rtnl_net_debug_net_ops __net_initdata = {
 };
 
 static struct notifier_block rtnl_net_debug_block = {
-	.notifier_call = rtnl_net_debug_event,
+	.notifier_call = netdev_debug_event,
 };
 
 static int __init rtnl_net_debug_init(void)
 {
 	int ret;
 
-	ret = register_pernet_device(&rtnl_net_debug_net_ops);
+	ret = register_pernet_subsys(&rtnl_net_debug_net_ops);
 	if (ret)
 		return ret;
 
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 0738aa6cca25..a07249b59ae1 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -309,7 +309,7 @@ static void neigh_add_timer(struct neighbour *n, unsigned long when)
 static int neigh_del_timer(struct neighbour *n)
 {
 	if ((n->nud_state & NUD_IN_TIMER) &&
-	    del_timer(&n->timer)) {
+	    timer_delete(&n->timer)) {
 		neigh_release(n);
 		return 1;
 	}
@@ -427,7 +427,7 @@ static int __neigh_ifdown(struct neigh_table *tbl, struct net_device *dev,
 	pneigh_queue_purge(&tbl->proxy_queue, dev ? dev_net(dev) : NULL,
 			   tbl->family);
 	if (skb_queue_empty_lockless(&tbl->proxy_queue))
-		del_timer_sync(&tbl->proxy_timer);
+		timer_delete_sync(&tbl->proxy_timer);
 	return 0;
 }
 
@@ -1597,7 +1597,7 @@ static void neigh_proxy_process(struct timer_list *t)
 		} else if (!sched_next || tdif < sched_next)
 			sched_next = tdif;
 	}
-	del_timer(&tbl->proxy_timer);
+	timer_delete(&tbl->proxy_timer);
 	if (sched_next)
 		mod_timer(&tbl->proxy_timer, jiffies + sched_next);
 	spin_unlock(&tbl->proxy_queue.lock);
@@ -1628,7 +1628,7 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
 	NEIGH_CB(skb)->flags |= LOCALLY_ENQUEUED;
 
 	spin_lock(&tbl->proxy_queue.lock);
-	if (del_timer(&tbl->proxy_timer)) {
+	if (timer_delete(&tbl->proxy_timer)) {
 		if (time_before(tbl->proxy_timer.expires, sched_next))
 			sched_next = tbl->proxy_timer.expires;
 	}
@@ -1786,7 +1786,7 @@ int neigh_table_clear(int index, struct neigh_table *tbl)
 	/* It is not clean... Fix it to unload IPv6 module safely */
 	cancel_delayed_work_sync(&tbl->managed_work);
 	cancel_delayed_work_sync(&tbl->gc_work);
-	del_timer_sync(&tbl->proxy_timer);
+	timer_delete_sync(&tbl->proxy_timer);
 	pneigh_queue_purge(&tbl->proxy_queue, NULL, tbl->family);
 	neigh_ifdown(tbl, NULL);
 	if (atomic_read(&tbl->entries))
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index fd1cfa9707dc..5d7af50fe702 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c
@@ -874,12 +874,6 @@ int netdev_nl_bind_rx_doit(struct sk_buff *skb, struct genl_info *info)
 		goto err_unlock;
 	}
 
-	if (dev_xdp_prog_count(netdev)) {
-		NL_SET_ERR_MSG(info->extack, "unable to bind dmabuf to device with XDP program attached");
-		err = -EEXIST;
-		goto err_unlock;
-	}
-
 	binding = net_devmem_bind_dmabuf(netdev, dmabuf_fd, info->extack);
 	if (IS_ERR(binding)) {
 		err = PTR_ERR(binding);
@@ -951,12 +945,14 @@ void netdev_nl_sock_priv_destroy(struct netdev_nl_sock *priv)
 {
 	struct net_devmem_dmabuf_binding *binding;
 	struct net_devmem_dmabuf_binding *temp;
+	struct net_device *dev;
 
 	mutex_lock(&priv->lock);
 	list_for_each_entry_safe(binding, temp, &priv->bindings, list) {
-		netdev_lock(binding->dev);
+		dev = binding->dev;
+		netdev_lock(dev);
 		net_devmem_unbind_dmabuf(binding);
-		netdev_unlock(binding->dev);
+		netdev_unlock(dev);
 	}
 	mutex_unlock(&priv->lock);
 }
diff --git a/net/core/netdev_rx_queue.c b/net/core/netdev_rx_queue.c
index 3af716f77a13..d126f10197bf 100644
--- a/net/core/netdev_rx_queue.c
+++ b/net/core/netdev_rx_queue.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <linux/ethtool_netlink.h>
 #include <linux/netdevice.h>
 #include <net/netdev_lock.h>
 #include <net/netdev_queues.h>
@@ -86,8 +87,9 @@ err_free_new_mem:
 }
 EXPORT_SYMBOL_NS_GPL(netdev_rx_queue_restart, "NETDEV_INTERNAL");
 
-static int __net_mp_open_rxq(struct net_device *dev, unsigned ifq_idx,
-			     struct pp_memory_provider_params *p)
+int __net_mp_open_rxq(struct net_device *dev, unsigned int rxq_idx,
+		      const struct pp_memory_provider_params *p,
+		      struct netlink_ext_ack *extack)
 {
 	struct netdev_rx_queue *rxq;
 	int ret;
@@ -95,16 +97,41 @@ static int __net_mp_open_rxq(struct net_device *dev, unsigned ifq_idx,
 	if (!netdev_need_ops_lock(dev))
 		return -EOPNOTSUPP;
 
-	if (ifq_idx >= dev->real_num_rx_queues)
+	if (rxq_idx >= dev->real_num_rx_queues)
 		return -EINVAL;
-	ifq_idx = array_index_nospec(ifq_idx, dev->real_num_rx_queues);
+	rxq_idx = array_index_nospec(rxq_idx, dev->real_num_rx_queues);
 
-	rxq = __netif_get_rx_queue(dev, ifq_idx);
-	if (rxq->mp_params.mp_ops)
+	if (rxq_idx >= dev->real_num_rx_queues) {
+		NL_SET_ERR_MSG(extack, "rx queue index out of range");
+		return -ERANGE;
+	}
+	if (dev->cfg->hds_config != ETHTOOL_TCP_DATA_SPLIT_ENABLED) {
+		NL_SET_ERR_MSG(extack, "tcp-data-split is disabled");
+		return -EINVAL;
+	}
+	if (dev->cfg->hds_thresh) {
+		NL_SET_ERR_MSG(extack, "hds-thresh is not zero");
+		return -EINVAL;
+	}
+	if (dev_xdp_prog_count(dev)) {
+		NL_SET_ERR_MSG(extack, "unable to custom memory provider to device with XDP program attached");
 		return -EEXIST;
+	}
+
+	rxq = __netif_get_rx_queue(dev, rxq_idx);
+	if (rxq->mp_params.mp_ops) {
+		NL_SET_ERR_MSG(extack, "designated queue already memory provider bound");
+		return -EEXIST;
+	}
+#ifdef CONFIG_XDP_SOCKETS
+	if (rxq->pool) {
+		NL_SET_ERR_MSG(extack, "designated queue already in use by AF_XDP");
+		return -EBUSY;
+	}
+#endif
 
 	rxq->mp_params = *p;
-	ret = netdev_rx_queue_restart(dev, ifq_idx);
+	ret = netdev_rx_queue_restart(dev, rxq_idx);
 	if (ret) {
 		rxq->mp_params.mp_ops = NULL;
 		rxq->mp_params.mp_priv = NULL;
@@ -112,21 +139,22 @@ static int __net_mp_open_rxq(struct net_device *dev, unsigned ifq_idx,
 	return ret;
 }
 
-int net_mp_open_rxq(struct net_device *dev, unsigned ifq_idx,
+int net_mp_open_rxq(struct net_device *dev, unsigned int rxq_idx,
 		    struct pp_memory_provider_params *p)
 {
 	int ret;
 
 	netdev_lock(dev);
-	ret = __net_mp_open_rxq(dev, ifq_idx, p);
+	ret = __net_mp_open_rxq(dev, rxq_idx, p, NULL);
 	netdev_unlock(dev);
 	return ret;
 }
 
-static void __net_mp_close_rxq(struct net_device *dev, unsigned ifq_idx,
-			      struct pp_memory_provider_params *old_p)
+void __net_mp_close_rxq(struct net_device *dev, unsigned int ifq_idx,
+			const struct pp_memory_provider_params *old_p)
 {
 	struct netdev_rx_queue *rxq;
+	int err;
 
 	if (WARN_ON_ONCE(ifq_idx >= dev->real_num_rx_queues))
 		return;
@@ -146,7 +174,8 @@ static void __net_mp_close_rxq(struct net_device *dev, unsigned ifq_idx,
 
 	rxq->mp_params.mp_ops = NULL;
 	rxq->mp_params.mp_priv = NULL;
-	WARN_ON(netdev_rx_queue_restart(dev, ifq_idx));
+	err = netdev_rx_queue_restart(dev, ifq_idx);
+	WARN_ON(err && err != -ENETDOWN);
 }
 
 void net_mp_close_rxq(struct net_device *dev, unsigned ifq_idx,
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5a24a30dfc2d..c23852835050 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1177,6 +1177,9 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev,
 				 /* IFLA_VF_STATS_TX_DROPPED */
 				 nla_total_size_64bit(sizeof(__u64)));
 		}
+		if (dev->netdev_ops->ndo_get_vf_guid)
+			size += num_vfs * 2 *
+				nla_total_size(sizeof(struct ifla_vf_guid));
 		return size;
 	} else
 		return 0;
@@ -3022,8 +3025,6 @@ static int do_setlink(const struct sk_buff *skb, struct net_device *dev,
 	char ifname[IFNAMSIZ];
 	int err;
 
-	netdev_lock_ops(dev);
-
 	err = validate_linkmsg(dev, tb, extack);
 	if (err < 0)
 		goto errout;
@@ -3039,14 +3040,16 @@ static int do_setlink(const struct sk_buff *skb, struct net_device *dev,
 
 		new_ifindex = nla_get_s32_default(tb[IFLA_NEW_IFINDEX], 0);
 
-		err = netif_change_net_namespace(dev, tgt_net, pat,
+		err = __dev_change_net_namespace(dev, tgt_net, pat,
 						 new_ifindex, extack);
 		if (err)
-			goto errout;
+			return err;
 
 		status |= DO_SETLINK_MODIFIED;
 	}
 
+	netdev_lock_ops(dev);
+
 	if (tb[IFLA_MAP]) {
 		struct rtnl_link_ifmap *u_map;
 		struct ifmap k_map;
diff --git a/net/core/sock.c b/net/core/sock.c
index 323892066def..f67a3c5b0988 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3598,14 +3598,14 @@ EXPORT_SYMBOL(sk_reset_timer);
 
 void sk_stop_timer(struct sock *sk, struct timer_list* timer)
 {
-	if (del_timer(timer))
+	if (timer_delete(timer))
 		__sock_put(sk);
 }
 EXPORT_SYMBOL(sk_stop_timer);
 
 void sk_stop_timer_sync(struct sock *sk, struct timer_list *timer)
 {
-	if (del_timer_sync(timer))
+	if (timer_delete_sync(timer))
 		__sock_put(sk);
 }
 EXPORT_SYMBOL(sk_stop_timer_sync);