summaryrefslogtreecommitdiff
path: root/net/core/neighbour.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2016-07-10 17:11:17 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-10 17:11:17 +0200
commit08fb98f5bf95cef902fc30427b39617a6f6875c7 (patch)
treed709cdc500b447bb957fd1e7fbc9073005b8ce8e /net/core/neighbour.c
parent99aa22d0d8f70d9317727ab40c85b2ead740a6ca (diff)
parenta017f583ec87d40b06eee6a6beeabe879c8113dd (diff)
Merge branch 'linus' into x86/fpu, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/core/neighbour.c')
-rw-r--r--net/core/neighbour.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 29dd8cc22bbf..510cd62fcb99 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2469,13 +2469,17 @@ int neigh_xmit(int index, struct net_device *dev,
tbl = neigh_tables[index];
if (!tbl)
goto out;
+ rcu_read_lock_bh();
neigh = __neigh_lookup_noref(tbl, addr, dev);
if (!neigh)
neigh = __neigh_create(tbl, addr, dev, false);
err = PTR_ERR(neigh);
- if (IS_ERR(neigh))
+ if (IS_ERR(neigh)) {
+ rcu_read_unlock_bh();
goto out_kfree_skb;
+ }
err = neigh->output(neigh, skb);
+ rcu_read_unlock_bh();
}
else if (index == NEIGH_LINK_TABLE) {
err = dev_hard_header(skb, dev, ntohs(skb->protocol),