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Diffstat (limited to 'kernel/net/core/neighbour.c')
| -rw-r--r-- | kernel/net/core/neighbour.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/net/core/neighbour.c b/kernel/net/core/neighbour.c index f18ae91b6..769cece9b 100644 --- a/kernel/net/core/neighbour.c +++ b/kernel/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), |