linux-kernel - Re: [PATCH] ASoC: cs4271: Fix resource leak in cs4271_soc

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Message-ID: <aWTTAXwR5o61s64t@opensource.cirrus.com>
Date: Mon, 12 Jan 2026 10:54:57 +0000
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc: David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Herve Codina <herve.codina@...tlin.com>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Pascal Huerst <pascal.huerst@...il.com>, linux-sound@...r.kernel.org,
        patches@...nsource.cirrus.com, linux-kernel@...r.kernel.org,
        dan.carpenter@...aro.org, kernel-janitors@...r.kernel.org,
        error27@...il.com
Subject: Re: [PATCH] ASoC: cs4271: Fix resource leak in cs4271_soc_resume()

On Sat, Jan 10, 2026 at 11:53:36AM -0800, Harshit Mogalapalli wrote:
> Smatch detects this resource leak:
> 
> sound/soc/codecs/cs4271.c:548 cs4271_soc_resume() warn:
>  'cs4271->clk' from clk_prepare_enable() not released on lines: 540,546.
> 
> Instead of direct returns, unprepare the clock and disable regulators on
> the error paths.
> 
> Fixes: cf6bf51b5325 ("ASoC: cs4271: Add support for the external mclk")
> Fixes: 9a397f473657 ("ASoC: cs4271: add regulator consumer support")
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
> ---

Reviewed-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Thanks,
Charles