rbd: do not leak image_id in rbd_dev_v2_parent_info()

image_id is leaked if the parent happens to have been recorded already.
Fix it.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Ilya Dryomov 2014-06-27 21:46:33 +04:00
commit fbba11b3be