From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 30 Sep 2010 03:31:56 +0000 (+0000)
Subject: ipv4: introduce __ip_dev_find()
X-Git-Tag: v2.6.37-rc1~147^2~297
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82efee1499a27c06f5afb11b07db384fdb3f7004;p=pandora-kernel.git

ipv4: introduce __ip_dev_find()

ip_dev_find(net, addr) finds a device given an IPv4 source address and
takes a reference on it.

Introduce __ip_dev_find(), taking a third argument, to optionally take
the device reference. Callers not asking the reference to be taken
should be in an rcu_read_lock() protected section.

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