From: Tejun Heo <tj@kernel.org>
Date: Thu, 15 Apr 2010 00:00:08 +0000 (+0900)
Subject: [SCSI] fix locking around blk_abort_request()
X-Git-Tag: v2.6.34-rc7~1^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70b25f890ce9f0520c64075ce9225a5b020a513e;p=pandora-kernel.git

[SCSI] fix locking around blk_abort_request()

blk_abort_request() expects queue lock to be held by the caller.
Grab it before calling the function.

Lack of this synchronization led to infinite loop on corrupt
q->timeout_list.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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