From: Eric Dumazet <edumazet@google.com>
Date: Tue, 30 Jul 2013 23:11:15 +0000 (-0700)
Subject: net: skb_orphan() changes
X-Git-Tag: v3.12-rc1~132^2~412
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c34a761231b56dea4bd205cb9c29ffe37475d232;p=pandora-kernel.git

net: skb_orphan() changes

It is illegal to set skb->sk without corresponding destructor.

Its therefore safe for skb_orphan() to not clear skb->sk if
skb->destructor is not set.

Also avoid clearing skb->destructor if already NULL.

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