From: Alex Elder <elder@inktank.com>
Date: Fri, 26 Apr 2013 20:44:36 +0000 (-0500)
Subject: rbd: fix rbd_dev_remove_parent()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad945fc1da42965a31089d29de3754047861f348;p=pandora-kernel.git

rbd: fix rbd_dev_remove_parent()

In certain error paths, it is possible for an rbd device to have a
parent spec but no parent rbd_dev.  In rbd_dev_remove_parent() use
the parent field rather than parent_spec in determining whether to
try to remove any parent devices.  Use assertions to indicate that
any non-null parent pointer has parent_spec associated with it.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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