From ab7c7bb6f4ab95dbca96fcfc4463cd69843e3e24 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 27 Feb 2015 14:04:27 -0500
Subject: [PATCH] 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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