From: Eric Dumazet <edumazet@google.com>
Date: Fri, 8 Feb 2013 20:10:49 +0000 (+0000)
Subject: veth: fix NULL dereference in veth_dellink()
X-Git-Tag: v3.9-rc1~139^2~119
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f45a5c267da35174e22cec955093a7513dc1623d;p=pandora-kernel.git

veth: fix NULL dereference in veth_dellink()

commit d0e2c55e7c940 (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>
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