diff options
| -rw-r--r-- | net/core/neighbour.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 43449649cf73..909ecb3c2a33 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1168,10 +1168,14 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, struct dst_entry *dst = skb_dst(skb); struct neighbour *n2, *n1 = neigh; write_unlock_bh(&neigh->lock); + + rcu_read_lock(); /* On shaper/eql skb->dst->neighbour != neigh :( */ if (dst && (n2 = dst_get_neighbour(dst)) != NULL) n1 = n2; n1->output(n1, skb); + rcu_read_unlock(); + write_lock_bh(&neigh->lock); } skb_queue_purge(&neigh->arp_queue); |