[PATCH v2 01/10] ASoC: fsl: fsl_qmc_audio: Check devm_kasprintf() returned value
From: Herve Codina <herve.codina@bootlin.com>
Date: 2024-07-01 11:31:58
Also in:
alsa-devel, linux-arm-kernel, linux-devicetree, linux-sound, lkml, stable
Subsystem:
freescale soc sound drivers, freescale soc sound qmc driver, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Shengjiu Wang, Xiubo Li, Herve Codina, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
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 --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");
--
2.45.0