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Date:   Tue, 12 Jan 2021 11:19:49 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     timur@...nel.org, nicoleotsuka@...il.com, Xiubo.Lee@...il.com,
        festevam@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: imx-hdmi: Fix warning of the uninitialized
 variable ret

On Wed, Dec 16, 2020 at 06:44:24PM +0800, Shengjiu Wang wrote:
> From: shengjiu wang <shengjiu.wang@....com>
> 
> When condition ((hdmi_out && hdmi_in) || (!hdmi_out && !hdmi_in))
> is true, then goto fail, the uninitialized variable ret will be
> returned.
> 
> Signed-off-by: shengjiu wang <shengjiu.wang@....com>
> Reported-by: kernel test robot <lkp@...el.com>
> ---
>  sound/soc/fsl/imx-hdmi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
> index 2c2a76a71940..ede4a9ad1054 100644
> --- a/sound/soc/fsl/imx-hdmi.c
> +++ b/sound/soc/fsl/imx-hdmi.c
> @@ -164,6 +164,7 @@ static int imx_hdmi_probe(struct platform_device *pdev)
>  
>  	if ((hdmi_out && hdmi_in) || (!hdmi_out && !hdmi_in)) {
>  		dev_err(&pdev->dev, "Invalid HDMI DAI link\n");
> +		ret = -EINVAL;
>  		goto fail;
>  	}
>  
> -- 
> 2.17.1
> 

I still see a warning in v5.11-rc3 that is fixed by this patch, is it
not going in this release cycle? It is a regression fix, seems like it
should.

Cheers,
Nathan

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