From: Tejun Heo <tj@kernel.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: Jiri Slaby <jslaby@suse.cz>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
Jiri Slaby <jirislaby@gmail.com>
Subject: Re: [PATCH block/for-next] block: don't call blk_drain_queue() if elevator is not up
Date: Thu, 3 Nov 2011 14:12:53 -0700 [thread overview]
Message-ID: <20111103211253.GO4417@google.com> (raw)
In-Reply-To: <4EB2D441.9040708@kernel.dk>
On Thu, Nov 03, 2011 at 06:49:53PM +0100, Jens Axboe wrote:
> > Fix it by making blk_cleanup_queue() check whether q->elevator is set
> > up before invoking blk_drain_queue.
>
> Thanks, glad this got caught before the merge...
Heh, yeah, definitely, and just to be paranoid, this whole thing is
for the next merge window.
Thanks.
--
tejun
next prev parent reply other threads:[~2011-11-03 21:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 16:08 NULL ptr deref at elv_drain_elevator Jiri Slaby
2011-11-03 16:14 ` Tejun Heo
2011-11-03 16:16 ` Jiri Slaby
2011-11-03 16:26 ` [PATCH block/for-next] block: don't call blk_drain_queue() if elevator is not up Tejun Heo
2011-11-03 17:49 ` Jens Axboe
2011-11-03 21:12 ` Tejun Heo [this message]
2011-11-04 8:12 ` Jens Axboe
2011-11-04 14:26 ` Tejun Heo
2011-11-04 14:28 ` Jens Axboe
2011-11-04 14:30 ` Tejun Heo
2011-11-04 9:40 ` Stefan Richter
2011-11-04 14:38 ` Tejun Heo
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