From 4345caba340f051e10847924fc078ae18ed6695c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sat, 19 Mar 2011 13:53:31 +0100
Subject: [PATCH] block: NULL dereference on error path in __blkdev_get()

"disk" is always NULL when we goto out.  There was a check for this
before, but it was removed in 69e02c59a7d9 "block: Don't check events
while open is in progress".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@carl>
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Reading git-format-patch failed