linux-kernel - Re: [PATCH 7/12] wm8940: fix resource reclaim in wm8940

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Date:	Thu, 15 Jul 2010 09:59:16 +0200 (CEST)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Axel Lin <axel.lin@...il.com>
cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Tejun Heo <tj@...nel.org>, alsa-devel@...a-project.org
Subject: Re: [PATCH 7/12] wm8940: fix resource reclaim in wm8940_register 
 error path

On Thu, 15 Jul 2010, Axel Lin wrote:

> I agree that it is good to release resources at the same level,
> where they have been acquired.
> But I prefer to follow the maintainer/author's coding style.

Yeah, unless that "style" is a bug. IMHO this design is just buggy, 
unmaintainable, error-prone, and unjustified.

> 
> For the changes in other drivers, I'd like to see Liam and Mark's comments.
> Or if the driver maintainers request it, I can fix it.

Well, as the author of sound/soc/codecs/wm8978.c, I'd be happy if you 
change it in this way;) And also move the

	kfree(wm8978);

line from wm8978_unregister() to wm8978_i2c_remove().

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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