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Message-ID: <alpine.DEB.2.02.1504051412590.2038@localhost6.localdomain6>
Date: Sun, 5 Apr 2015 14:13:02 +0200 (CEST)
From: Julia Lawall <julia.lawall@...6.fr>
To: Julia Lawall <Julia.Lawall@...6.fr>
cc: Liam Girdwood <lrg@...com>, kernel-janitors@...r.kernel.org,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/10] sound/soc/fsl/imx-sgtl5000.c: fix error return
code
Please ignore. Wrong patch set.
On Sun, 5 Apr 2015, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@...6.fr>
>
> Initialize ret on the second call to imx_audmux_v2_configure_port so that
> the subsequent test checks that result and not the previous one.
>
> 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@...6.fr>
>
> ---
> sound/soc/fsl/imx-sgtl5000.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c
> index fb21b17..199408e 100644
> --- a/sound/soc/fsl/imx-sgtl5000.c
> +++ b/sound/soc/fsl/imx-sgtl5000.c
> @@ -94,7 +94,7 @@ static int __devinit imx_sgtl5000_probe(struct platform_device *pdev)
> dev_err(&pdev->dev, "audmux internal port setup failed\n");
> return ret;
> }
> - imx_audmux_v2_configure_port(ext_port,
> + ret = imx_audmux_v2_configure_port(ext_port,
> IMX_AUDMUX_V2_PTCR_SYN,
> IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
> if (ret) {
>
> --
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