From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <tj@kernel.org>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: [PATCH #upstream-fixes] libata: fix locking around blk_abort_request()
Date: Thu, 22 Apr 2010 21:52:31 -0400 [thread overview]
Message-ID: <4BD0FD5F.2090004@garzik.org> (raw)
In-Reply-To: <4BC65671.6000309@kernel.org>
On 04/14/2010 07:57 PM, Tejun Heo wrote:
> blk_abort_request() expectes 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: Jens Axboe<axboe@kernel.dk>
> Cc: stable@kernel.org
> ---
> drivers/ata/libata-eh.c | 4 ++++
> 1 file changed, 4 insertions(+)
applied
prev parent reply other threads:[~2010-04-23 1:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-14 23:57 [PATCH #upstream-fixes] libata: fix locking around blk_abort_request() Tejun Heo
2010-04-23 1:52 ` Jeff Garzik [this message]
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