From: Josh Durgin <josh.durgin@inktank.com>
Date: Thu, 29 Aug 2013 00:08:10 +0000 (-0700)
Subject: rbd: fix null dereference in dout
X-Git-Tag: v3.12-rc1~90^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c35455791c1131e7ccbf56ea6fbdd562401c2ce2;p=pandora-kernel.git

rbd: fix null dereference in dout

The order parameter is sometimes NULL in _rbd_dev_v2_snap_size(), but
the dout() always derefences it. Move this to another dout() protected
by a check that order is non-NULL.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <alex.elder@linaro.org>
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