From: NeilBrown <neilb@suse.de>
Date: Wed, 1 Jul 2009 02:27:21 +0000 (+1000)
Subject: md: tidy up error paths in md_alloc
X-Git-Tag: v2.6.31-rc2~25^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0909dc448c98ed5021c87ffdfc09fb473aa464ab;p=pandora-kernel.git

md: tidy up error paths in md_alloc

As the recent bug in md_alloc showed, having a single exit path for
unlocking and putting is a good idea.  So restructure md_alloc to have
a single mutex_unlock and mddev_put, and use gotos where necessary.

Found-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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