linux-kernel - Re: [PATCH] ASoC: SOF: Fix null pointer dereference in sof_pci

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Message-ID: <6292bf7a-e56f-4f7f-843f-b95c1cbd343e@kylinos.cn>
Date:   Tue, 5 Dec 2023 17:12:54 +0800
From:   Kunwu Chan <chentao@...inos.cn>
To:     Mark Brown <broonie@...nel.org>
Cc:     pierre-louis.bossart@...ux.intel.com, lgirdwood@...il.com,
        peter.ujfalusi@...ux.intel.com, yung-chuan.liao@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, daniel.baluta@....com,
        kai.vehmanen@...ux.intel.com, perex@...ex.cz, tiwai@...e.com,
        chao.song@...el.com, kunwu.chan@...mail.com,
        sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: SOF: Fix null pointer dereference in sof_pci_probe

Thanks for your reply.
I'll check the patch and modify it by a better way.

Thanks again,
Kunwu

On 2023/12/4 20:38, Mark Brown wrote:
> On Thu, Nov 23, 2023 at 11:54:24PM +0800, Kunwu Chan wrote:
>> devm_kasprintf() returns a pointer to dynamically allocated memory
>> which can be NULL upon failure.
> 
> In addition to the issues others mentioned this doesn't apply against
> current code, please check and resend.