From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 27 Feb 2015 19:04:27 +0000 (-0500)
Subject: dm: hold suspend_lock while suspending device during device deletion
X-Git-Tag: omap-for-v4.1/fixes-rc1~292^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab7c7bb6f4ab;p=pandora-kernel.git

dm: hold suspend_lock while suspending device during device deletion

__dm_destroy() must take the suspend_lock so that its presuspend and
postsuspend calls do not race with an internal suspend.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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