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Diffstat (limited to 'net/ipv6/ip6mr.c')
-rw-r--r--net/ipv6/ip6mr.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 578ff1336afe..e8ade93a0f0e 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -520,9 +520,9 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
if (it->cache != &mrt->mfc_unres_queue) {
seq_printf(seq, " %8lu %8lu %8lu",
- mfc->_c.mfc_un.res.pkt,
- mfc->_c.mfc_un.res.bytes,
- mfc->_c.mfc_un.res.wrong_if);
+ atomic_long_read(&mfc->_c.mfc_un.res.pkt),
+ atomic_long_read(&mfc->_c.mfc_un.res.bytes),
+ atomic_long_read(&mfc->_c.mfc_un.res.wrong_if));
for (n = mfc->_c.mfc_un.res.minvif;
n < mfc->_c.mfc_un.res.maxvif; n++) {
if (VIF_EXISTS(mrt, n) &&
@@ -668,7 +668,7 @@ static void reg_vif_setup(struct net_device *dev)
dev->flags = IFF_NOARP;
dev->netdev_ops = &reg_vif_netdev_ops;
dev->needs_free_netdev = true;
- dev->netns_local = true;
+ dev->netns_immutable = true;
}
static struct net_device *ip6mr_reg_vif(struct net *net, struct mr_table *mrt)
@@ -884,7 +884,7 @@ static void ip6mr_update_thresholds(struct mr_table *mrt,
cache->mfc_un.res.maxvif = vifi + 1;
}
}
- cache->mfc_un.res.lastuse = jiffies;
+ WRITE_ONCE(cache->mfc_un.res.lastuse, jiffies);
}
static int mif6_add(struct net *net, struct mr_table *mrt,
@@ -1945,9 +1945,9 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void *arg)
c = ip6mr_cache_find(mrt, &sr->src.sin6_addr,
&sr->grp.sin6_addr);
if (c) {
- sr->pktcnt = c->_c.mfc_un.res.pkt;
- sr->bytecnt = c->_c.mfc_un.res.bytes;
- sr->wrong_if = c->_c.mfc_un.res.wrong_if;
+ sr->pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt);
+ sr->bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes);
+ sr->wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if);
rcu_read_unlock();
return 0;
}
@@ -2017,9 +2017,9 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
rcu_read_lock();
c = ip6mr_cache_find(mrt, &sr.src.sin6_addr, &sr.grp.sin6_addr);
if (c) {
- sr.pktcnt = c->_c.mfc_un.res.pkt;
- sr.bytecnt = c->_c.mfc_un.res.bytes;
- sr.wrong_if = c->_c.mfc_un.res.wrong_if;
+ sr.pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt);
+ sr.bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes);
+ sr.wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if);
rcu_read_unlock();
if (copy_to_user(arg, &sr, sizeof(sr)))
@@ -2142,9 +2142,9 @@ static void ip6_mr_forward(struct net *net, struct mr_table *mrt,
int true_vifi = ip6mr_find_vif(mrt, dev);
vif = c->_c.mfc_parent;
- c->_c.mfc_un.res.pkt++;
- c->_c.mfc_un.res.bytes += skb->len;
- c->_c.mfc_un.res.lastuse = jiffies;
+ atomic_long_inc(&c->_c.mfc_un.res.pkt);
+ atomic_long_add(skb->len, &c->_c.mfc_un.res.bytes);
+ WRITE_ONCE(c->_c.mfc_un.res.lastuse, jiffies);
if (ipv6_addr_any(&c->mf6c_origin) && true_vifi >= 0) {
struct mfc6_cache *cache_proxy;
@@ -2162,7 +2162,7 @@ static void ip6_mr_forward(struct net *net, struct mr_table *mrt,
* Wrong interface: drop packet and (maybe) send PIM assert.
*/
if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) {
- c->_c.mfc_un.res.wrong_if++;
+ atomic_long_inc(&c->_c.mfc_un.res.wrong_if);
if (true_vifi >= 0 && mrt->mroute_do_assert &&
/* pimsm uses asserts, when switching from RPT to SPT,