From mboxrd@z Thu Jan  1 00:00:00 1970
From: Liam Girdwood <lrg@ti.com>
Subject: Re: [PATCH] sound/soc/mxs/mxs-saif.c: add missing kfree
Date: Mon, 22 Aug 2011 11:21:04 +0100
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To: Julia Lawall <julia@diku.dk>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Takashi Iwai <tiwai@suse.de>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Mark Brown <broonie@opensource.wolfsonmicro.com>, "kernel-janitors@vger.kernel.org" <kernel-janitors@vger.kernel.org>, Wolfram Sang <w.sang@pengutronix.de>, Dong Aisheng-B29396 <B29396@freescale.com>
List-Id: alsa-devel@alsa-project.org

On 21/08/11 12:18, Julia Lawall wrote:
> From: Julia Lawall <julia@diku.dk>
> 
> Move the test on pdev->id before the kzalloc to avoid requiring kfree when
> the test fails.  This fix was suggested by Wolfram Sang.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> identifier x;
> expression E1!=0,E2,E3,E4;
> statement S;
> iterator I;
> @@
> 
> (
> if (...) { ... when != kfree(x)
>                when != x = E3
>                when != E3 = x
> *  return ...;
>  }
> ... when != x = E2
>     when != I(...,x,...) S
> if (...) { ... when != x = E4
>  kfree(x); ... return ...; }
> )
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@diku.dk>
> 
>

Acked-by: Liam Girdwood <lrg@ti.com>