linux-kernel - Re: [PATCH] ASoC: fsl_easrc: Check for null pointer before dereferencing “ctx” in fsl_easrc_hw

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Date:   Fri, 24 Apr 2020 15:56:24 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Shengjiu Wang <shengjiu.wang@....com>, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Fabio Estevam <festevam@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Takashi Iwai <tiwai@...e.com>, Timur Tabi <timur@...nel.org>,
        Xiubo Li <Xiubo.Lee@...il.com>
Subject: Re: [PATCH] ASoC: fsl_easrc: Check for null pointer before dereferencing “ctx” in fsl_easrc_hw_free()

> The patch 955ac624058f: "ASoC: fsl_easrc: Add EASRC ASoC CPU DAI
> drivers" from Apr 16, 2020, leads to the following Smatch complaint:
>
> sound/soc/fsl/fsl_easrc.c:1529 fsl_easrc_hw_free()
> warn: variable dereferenced before check 'ctx' (see line 1527)

Please avoid a typo in the final commit subject.

Regards,
Markus