From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1751863AbbDEMNj (ORCPT <rfc822;w@1wt.eu>);
	Sun, 5 Apr 2015 08:13:39 -0400
Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:25711 "EHLO
	mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK)
	by vger.kernel.org with ESMTP id S1752964AbbDEMNf (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Sun, 5 Apr 2015 08:13:35 -0400
X-IronPort-AV: E=Sophos;i="5.11,527,1422918000"; 
   d="scan'208";a="131681135"
Date: Sun, 5 Apr 2015 14:13:32 +0200 (CEST)
From: Julia Lawall <julia.lawall@lip6.fr>
X-X-Sender: jll@localhost6.localdomain6
To: Julia Lawall <Julia.Lawall@lip6.fr>
cc: Peter Ujfalusi <peter.ujfalusi@ti.com>, kernel-janitors@vger.kernel.org,
        Jarkko Nikula <jarkko.nikula@bitmer.com>, Liam Girdwood <lrg@ti.com>,
        Mark Brown <broonie@opensource.wolfsonmicro.com>,
        Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>,
        linux-omap@vger.kernel.org, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/9] sound/soc/omap/am3517evm.c: fix error return code
In-Reply-To: <1428233914-4503-10-git-send-email-Julia.Lawall@lip6.fr>
Message-ID: <alpine.DEB.2.02.1504051413280.2038@localhost6.localdomain6>
References: <1428233914-4503-1-git-send-email-Julia.Lawall@lip6.fr> <1428233914-4503-10-git-send-email-Julia.Lawall@lip6.fr>
User-Agent: Alpine 2.02 (DEB 1266 2009-07-14)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Please ignore. Wrong patch set.

On Sun, 5 Apr 2015, Julia Lawall wrote:

> From: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> It was forgotten to initialize ret to the result of calling
> snd_soc_dai_set_sysclk, unlike at the other calls in the same function.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
>  { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
>     when != &ret
> *if(...)
> {
>   ... when != ret = e2
>       when forall
>  return ret;
> }
> 
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> ---
>  sound/soc/omap/am3517evm.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c
> index 009533a..df65f98 100644
> --- a/sound/soc/omap/am3517evm.c
> +++ b/sound/soc/omap/am3517evm.c
> @@ -59,7 +59,7 @@ static int am3517evm_hw_params(struct snd_pcm_substream *substream,
>  		return ret;
>  	}
>  
> -	snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
> +	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
>  				SND_SOC_CLOCK_IN);
>  	if (ret < 0) {
>  		printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n");
> 
> --
> To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>