From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 27 Sep 2010 06:07:30 +0000 (+0000)
Subject: net: sk_{detach|attach}_filter() rcu fixes
X-Git-Tag: v2.6.37-rc1~147^2~341
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f91ff5b9ff529be8aac2039af63b2c8ea6cd6ebe;p=pandora-kernel.git

net: sk_{detach|attach}_filter() rcu fixes

sk_attach_filter() and sk_detach_filter() are run with socket locked.

Use the appropriate rcu_dereference_protected() instead of blocking BH,
and rcu_dereference_bh().
There is no point adding BH prevention and memory barrier.

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