diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-07-21 17:16:09 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-07-21 17:16:09 -0300 |
| commit | 4411a04f871d94ae997fb7262a428fe2ee988eb3 (patch) | |
| tree | 92cb073311cb6c2eeb256969112ec61f877982d9 /net/core | |
| parent | b907a8622e39eecfc4b243f3be3ad26559d1faee (diff) | |
Linux-libre 4.6.4-gnupck-4.6.4-gnu
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/neighbour.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index f18ae91b6..769cece9b 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2467,13 +2467,17 @@ 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), |