From: David S. Miller <davem@davemloft.net>
Date: Fri, 20 Jul 2012 23:00:53 +0000 (-0700)
Subject: ipv4: Fix neigh lookup keying over loopback/point-to-point devices.
X-Git-Tag: v3.6-rc1~125^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0bb4087cbec0ef74fd416789d6aad67957063057;p=pandora-kernel.git

ipv4: Fix neigh lookup keying over loopback/point-to-point devices.

We were using a special key "0" for all loopback and point-to-point
device neigh lookups under ipv4, but we wouldn't use that special
key for the neigh creation.

So basically we'd make a new neigh at each and every lookup :-)

This special case to use only one neigh for these device types
is of dubious value, so just remove it entirely.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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