linux-kernel - Re: [PATCH 12/24] media/video: fix dangling pointers

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Message-Id: <201004011032.50117.hverkuil@xs4all.nl>
Date:	Thu, 1 Apr 2010 10:32:50 +0200
From:	Hans Verkuil <hverkuil@...all.nl>
To:	Wolfram Sang <w.sang@...gutronix.de>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jean Delvare <khali@...ux-fr.org>,
	kernel-janitors@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 12/24] media/video: fix dangling pointers

On Tuesday 30 March 2010 14:39:12 Wolfram Sang wrote:
> Hans,
> 
> > But this just feels like an i2c core thing to me. After remove() is called
> > the core should just set the client data to NULL. If there are drivers that
> > rely on the current behavior, then those drivers should be reviewed first as
> > to the reason why they need it.
> 
> It will be done this way now. As you have taken part in the discussion, I guess
> the media-subsystem never really considered picking those patches up ;)

I remember that there was one patch in your patch series where the client data
was set after it was freed.

That should still be fixed (by just removing the i2c_set_clientdata).

Can you post that one again?

Regards,

	Hans


> 
> Regards,
> 
>    Wolfram
> 
> 

-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG
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