From: David S. Miller <davem@davemloft.net>
Date: Tue, 1 Mar 2011 23:49:55 +0000 (-0800)
Subject: ipv4: Make icmp route lookup code a bit clearer.
X-Git-Tag: v2.6.39-rc1~468^2~186
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6d460cf0ed16d35aec48f823685e7a0e0283d84;p=pandora-kernel.git

ipv4: Make icmp route lookup code a bit clearer.

The route lookup code in icmp_send() is slightly tricky as a result of
having to handle all of the requirements of RFC 4301 host relookups.

Pull the route resolution into a seperate function, so that the error
handling and route reference counting is hopefully easier to see and
contained wholly within this new routine.

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