From: David S. Miller <davem@davemloft.net>
Date: Mon, 2 Jul 2012 09:21:03 +0000 (-0700)
Subject: net: Do delayed neigh confirmation.
X-Git-Tag: v3.6-rc1~125^2~320
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5110effee8fde2edfacac9cd12a9960ab2dc39ea;p=pandora-kernel.git

net: Do delayed neigh confirmation.

When a dst_confirm() happens, mark the confirmation as pending in the
dst.  Then on the next packet out, when we have the neigh in-hand, do
the update.

This removes the dependency in dst_confirm() of dst's having an
attached neigh.

While we're here, remove the explicit 'dst' NULL check, all except 2
or 3 call sites ensure it's not NULL.  So just fix those cases up.

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