From: Chris Ball <cjb@laptop.org>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Tetsuyuki Kobayashi <koba@kmckk.co.jp>,
yusuke.goda.sx@renesas.com,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Paul Mundt <lethal@linux-sh.org>, Magnus <magnus.damm@gmail.com>,
linux-sh@vger.kernel.org,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH] mmc: sh-mmcif: avoid Oops on spurious interrupts
Date: Wed, 19 Sep 2012 02:24:10 -0400 [thread overview]
Message-ID: <m3boh2il85.fsf@pullcord.laptop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.1208220840400.26767@axis700.grange> (Guennadi Liakhovetski's message of "Wed, 22 Aug 2012 08:49:47 +0200 (CEST)")
Hi,
On Wed, Aug 22 2012, Guennadi Liakhovetski wrote:
> On some systems, e.g., kzm9g, MMCIF interfaces can produce spurious
> interrupts without any active request. To prevent the Oops, that results
> in such cases, don't dereference the mmc request pointer until we make
> sure, that we are indeed processing such a request.
>
> Reported-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Thanks, pushed to mmc-next for 3.7.
- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
next prev parent reply other threads:[~2012-09-19 6:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <878vdxd3mq.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <20120803050039.GA1614@linux-sh.org>
[not found] ` <20120809042844.GF1614@linux-sh.org>
[not found] ` <87hasc3bv5.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <874nobqntv.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <20120810123804.GK1614@linux-sh.org>
[not found] ` <502DDC97.5080501@kmckk.co.jp>
[not found] ` <87wr0us6tg.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <20120820031352.GC25767@linux-sh.org>
[not found] ` <87obm6ry98.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <20120820043853.GD25767@linux-sh.org>
[not found] ` <87mx1qrx1x.wl%kuninori.morimoto.gx@renesas.com>
[not found] ` <5031D9FF.8060801@kmckk.co.jp>
2012-08-22 6:49 ` [PATCH] mmc: sh-mmcif: avoid Oops on spurious interrupts Guennadi Liakhovetski
2012-08-22 12:16 ` Tetsuyuki Kobayashi
2012-08-23 7:11 ` Guennadi Liakhovetski
2012-09-04 7:40 ` Tetsuyuki Kobayashi
2012-08-31 3:05 ` Tetsuyuki Kobayashi
2012-09-18 6:13 ` Tetsuyuki Kobayashi
2012-09-18 6:42 ` Guennadi Liakhovetski
2012-09-18 8:02 ` Tetsuyuki Kobayashi
2012-09-18 8:44 ` Tetsuyuki Kobayashi
2012-09-18 8:56 ` Guennadi Liakhovetski
2012-09-19 2:50 ` Tetsuyuki Kobayashi
2012-09-26 1:47 ` Tetsuyuki Kobayashi
2012-09-26 10:04 ` Chris Ball
2012-09-19 6:24 ` Chris Ball [this message]
2012-09-21 2:35 ` Tetsuyuki Kobayashi
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