From: David S. Miller <davem@davemloft.net>
Date: Fri, 12 Nov 2010 01:07:48 +0000 (-0800)
Subject: ipv4: Make rt->fl.iif tests lest obscure.
X-Git-Tag: v2.6.38-rc1~476^2~597
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c753796769e4fb0cd813b6e5801b3c01f4681d4f;p=pandora-kernel.git

ipv4: Make rt->fl.iif tests lest obscure.

When we test rt->fl.iif against zero, we're seeing if it's
an output or an input route.

Make that explicit with some helper functions.

Signed-off-by: David S. Miller <davem@davemloft.net>
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