From: Eric Dumazet <edumazet@google.com>
Date: Wed, 3 Jul 2013 21:04:14 +0000 (-0700)
Subject: netem: fix possible NULL deref in netem_dequeue()
X-Git-Tag: v3.11-rc1~64^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36b7bfe09b6deb71bf387852465245783c9a6208;p=pandora-kernel.git

netem: fix possible NULL deref in netem_dequeue()

commit aec0a40a6f7884 ("netem: use rb tree to implement the time queue")
added a regression if a child qdisc is attached to netem, as we perform
a NULL dereference.

Fix this by adding a temporary variable to cache
netem_skb_cb(skb)->time_to_send.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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