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[01/10] ASoC: fsl: fsl_qmc_audio: Check devm_kasprintf() returned value

Message ID 20240620084300.397853-2-herve.codina@bootlin.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Add support for non-interleaved mode in qmc_audio | expand

Commit Message

Herve Codina June 20, 2024, 8:42 a.m. UTC 
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: 075c7125b11c ("ASoC: fsl: Add support for QMC audio")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
---
 sound/soc/fsl/fsl_qmc_audio.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/sound/soc/fsl/fsl_qmc_audio.c b/sound/soc/fsl/fsl_qmc_audio.c
index bfaaa451735b..dd90ef16fa97 100644
--- a/sound/soc/fsl/fsl_qmc_audio.c
+++ b/sound/soc/fsl/fsl_qmc_audio.c
@@ -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");