From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 9 Sep 2010 05:33:43 +0000 (+0000)
Subject: tunnels: missing rcu_assign_pointer()
X-Git-Tag: v2.6.37-rc1~147^2~496
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49d61e2390c92bd226fc395a6165eb5a65ae4de6;p=pandora-kernel.git

tunnels: missing rcu_assign_pointer()

xfrm4_tunnel_register() & xfrm6_tunnel_register() should
use rcu_assign_pointer() to make sure previous writes
(to handler->next) are committed to memory before chain
insertion.

deregister functions dont need a particular barrier.

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