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>
This commit is contained in:
Ilya Dryomov 2015-01-08 20:18:22 +03:00 • committed by Ilya Dryomov
commit 73e39e4dba