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");