tree 54fdd8bc2e3a928ff0f7621c06e1e604eaf0529c
parent 54d259d474e1fee6f6bb8f0f1360d85195199ac5
author Eric Dumazet <eric.dumazet@gmail.com> 1268972205 -0700
committer David S. Miller <davem@davemloft.net> 1268972205 -0700

net: Potential null skb->dev dereference

When doing "ifenslave -d bond0 eth0", there is chance to get NULL
dereference in netif_receive_skb(), because dev->master suddenly becomes
NULL after we tested it.

We should use ACCESS_ONCE() to avoid this (or rcu_dereference())

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>