linux-kernel - Re: [PATCH 1/4] V4L: cx231xx, fix lock imbalance

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Message-ID: <AANLkTimEwyt-BdR9C8Vni-bsp4tbQ-Zs6A1CeMamapzz@mail.gmail.com>
Date:	Wed, 27 Oct 2010 08:28:51 -0400
From:	Devin Heitmueller <dheitmueller@...nellabs.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	mchehab@...hat.com, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Devin Heitmueller <dheitmueller@...ppauge.com>
Subject: Re: [PATCH 1/4] V4L: cx231xx, fix lock imbalance

On Wed, Oct 27, 2010 at 7:47 AM, Jiri Slaby <jslaby@...e.cz> wrote:
> Stanse found that there is mutex_lock in a fail path of
> cx231xx_i2c_xfer instead of mutex_unlock (i.e. double lock + leaving a
> function in locked state). So fix that.
>
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Mauro Carvalho Chehab <mchehab@...hat.com>
> Cc: Devin Heitmueller <dheitmueller@...ppauge.com>

This was already reported and a patch was submitted by Dan Carpenter
on October 21.  See mail on that day with subject line:  "[patch]
V4L/DVB: cx231xx: fix double lock typo".

Cheers,

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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