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ASoC: imx-audmix: Add NULL check in imx_audmix_probe

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devm_kasprintf() can return a NULL pointer on failure,but this
returned value in imx_audmix_probe() is not checked.
Add NULL check in imx_audmix_probe(), to handle kernel NULL
pointer dereference error.

Fixes: 05d996e113 ("ASoC: imx-audmix: Split capture device for audmix")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://patch.msgid.link/20241118084553.4195-1-hanchunchao@inspur.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Han 2024-11-18 16:45:53 +08:00 committed by Mark Brown
parent 0109ee0078
commit e038f43eda
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1 changed files with 3 additions and 0 deletions
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3
sound/soc/fsl/imx-audmix.c
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@ -274,6 +274,9 @@ static int imx_audmix_probe(struct platform_device *pdev)
/* Add AUDMIX Backend */
be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
"audmix-%d", i);
if (!be_name)
return -ENOMEM;
priv->dai[num_dai + i].cpus = &dlc[1];
priv->dai[num_dai + i].codecs = &snd_soc_dummy_dlc;