linux-kernel - Re: [PATCH 2/5] ASoC: mediatek: mt8188-mt6359: clean up a return in codec

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Date:   Thu, 8 Jun 2023 18:48:39 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, broonie@...nel.org
Cc:     lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        trevor.wu@...iatek.com, amergnat@...libre.com,
        dan.carpenter@...aro.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH 2/5] ASoC: mediatek: mt8188-mt6359: clean up a return in
 codec_init



On 08/06/2023 10:47, AngeloGioacchino Del Regno wrote:
> From: Dan Carpenter <dan.carpenter@...aro.org>
> 
> This code triggers a Smatch static checker warning and does sort of
> look like an error path.
> 
> sound/soc/mediatek/mt8188/mt8188-mt6359.c:597 mt8188_max98390_codec_init() warn: missing error code? 'ret'
> 
> However, returning 0 is intentional.  Make that explicit.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>

> ---
>   sound/soc/mediatek/mt8188/mt8188-mt6359.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/mediatek/mt8188/mt8188-mt6359.c b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> index 643a7a12a96b..b2735496d140 100644
> --- a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> +++ b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> @@ -594,7 +594,7 @@ static int mt8188_max98390_codec_init(struct snd_soc_pcm_runtime *rtd)
>   	}
>   
>   	if (rtd->dai_link->num_codecs <= 2)
> -		return ret;
> +		return 0;
>   
>   	/* add widgets/controls/dapm for rear speakers */
>   	ret = snd_soc_dapm_new_controls(&card->dapm, mt8188_rear_spk_widgets,