linux-kernel - Re: [PATCH] ASoC: mediatek: mt8188: avoid uninitialized variable use

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Message-ID: <06563381-faea-48de-86f1-4db174de394b@collabora.com>
Date: Thu, 27 Feb 2025 15:42:20 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Arnd Bergmann <arnd@...nel.org>, Mark Brown <broonie@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>, Liam Girdwood <lgirdwood@...il.com>,
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
 Matthias Brugger <matthias.bgg@...il.com>,
 parkeryang <Parker.Yang@...iatek.com>,
 Nícolas F. R. A. Prado <nfraprado@...labora.com>,
 linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] ASoC: mediatek: mt8188: avoid uninitialized variable use

Il 27/02/25 14:19, Arnd Bergmann ha scritto:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The 'msk' variable has no initialization:
> 
> sound/soc/mediatek/mt8188/mt8188-dai-dmic.c:311:4: error: variable 'msk' is uninitialized when used here [-Werror,-Wuninitialized]
>    311 |                         msk |= PWR2_TOP_CON1_DMIC_FIFO_SOFT_RST_EN(i);
>        |                         ^~~
> 
> Set it to zero before the loop.
> 
> Fixes: c1e42ec04197 ("ASoC: mediatek: mt8188: Add support for DMIC")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>