Eric Dumazet f45a5c267d veth: fix NULL dereference in veth_dellink() ...

commit d0e2c55e7c (veth: avoid a NULL deref in veth_stats_one)
added another NULL deref in veth_dellink().

# ip link add name veth1 type veth peer name veth0
# rmmod veth

We crash because veth_dellink() is called twice, so we must
take care of NULL peer.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2013-02-10 20:41:43 -05:00

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