From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Mon, 21 Jan 2013 09:58:50 +0000 (+0000)
Subject: ndisc: Do not try to update "updated" time if neighbour has already gone.
X-Git-Tag: v3.9-rc1~139^2~301
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b820bb6b996966d93a5442b5fbf803ea58e7f487;p=pandora-kernel.git

ndisc: Do not try to update "updated" time if neighbour has already gone.

Commit 2152caea ("ipv6: Do not depend on rt->n in rt6_probe().")
introduce a bug to try to update "updated" time in neighbour
structure.
Update the "updated" time only if neighbour is available.

Bug was found by Dan Carpenter <dan.carpenter@oracle.com>

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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