From 73e39e4dba828fe1affefe6290456623319707bd Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@redhat.com>
Date: Thu, 8 Jan 2015 20:18:22 +0300
Subject: [PATCH] rbd: fix error paths in rbd_dev_refresh()

header_rwsem should be released on errors.  Also remove useless
rbd_dev->mapping.size != rbd_dev->header.image_size test.

Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
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