From: Denis Efremov <yefremov.denis@gmail.com>
Date: Thu, 11 Oct 2012 02:08:02 +0000 (+1100)
Subject: md/linear: rcu_dereference outside read-lock section
X-Git-Tag: v3.7-rc1~10^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc78c57388e7f447f58e30d60b1505ddaaaf3a7d;p=pandora-kernel.git

md/linear: rcu_dereference outside read-lock section

According to the comment in linear_stop function
rcu_dereference in linear_start and linear_stop functions
occurs under reconfig_mutex. The patch represents this
agreement in code and prevents lockdep complaint.

Found by Linux Driver Verification project (linuxtesting.org)

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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