From: Cong Wang <cwang@twopensource.com>
Date: Wed, 15 Oct 2014 21:33:22 +0000 (-0700)
Subject: ipv4: clean up cookie_v4_check()
X-Git-Tag: omap-for-v3.19/prcm-cleanup~58^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=461b74c391c4ec9c766794e158508c357d8952e6;p=pandora-kernel.git

ipv4: clean up cookie_v4_check()

We can retrieve opt from skb, no need to pass it as a parameter.
And opt should always be non-NULL, no need to check.

Cc: Krzysztof Kolasa <kkolasa@winsoft.pl>
Cc: Eric Dumazet <edumazet@google.com>
Tested-by: Krzysztof Kolasa <kkolasa@winsoft.pl>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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