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ASoC: fsl: fsl_qmc_audio: Check devm_kasprintf() returned value

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commit e625999023 upstream.

devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked.

Fix this lack and check the returned value.

Fixes: 075c7125b1 ("ASoC: fsl: Add support for QMC audio")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://patch.msgid.link/20240701113038.55144-2-herve.codina@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Herve Codina
2024-07-01 13:30:28 +02:00
committed by Greg Kroah-Hartman
parent a28fe9105f
commit af466037fa
1 changed files with 2 additions and 0 deletions
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sound/soc/fsl/fsl_qmc_audio.c
+2
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@@ -604,6 +604,8 @@ static int qmc_audio_dai_parse(struct qmc_audio *qmc_audio, struct device_node *
qmc_dai->name = devm_kasprintf(qmc_audio->dev, GFP_KERNEL, "%s.%d",
np->parent->name, qmc_dai->id);
if (!qmc_dai->name)
return -ENOMEM;
qmc_dai->qmc_chan = devm_qmc_chan_get_byphandle(qmc_audio->dev, np,
"fsl,qmc-chan");