From: Zichen Xie <zichenxie0106@xxxxxxxxx>
commit 49da1463c9e3d2082276c3e0e2a8b65a88711cd2 upstream.
A devm_kzalloc() in asoc_qcom_lpass_cpu_platform_probe() could
possibly return NULL pointer. NULL Pointer Dereference may be
triggerred without addtional check.
Add a NULL check for the returned pointer.
Fixes: b5022a36d28f ("ASoC: qcom: lpass: Use regmap_field for i2sctl and dmactl registers")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Zichen Xie <zichenxie0106@xxxxxxxxx>
Link: https://patch.msgid.link/20241006205737.8829-1-zichenxie0106@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/soc/qcom/lpass-cpu.c | 2 ++
1 file changed, 2 insertions(+)
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -946,6 +946,8 @@ int asoc_qcom_lpass_cpu_platform_probe(s
/* Allocation for i2sctl regmap fields */
drvdata->i2sctl = devm_kzalloc(&pdev->dev, sizeof(struct lpaif_i2sctl),
GFP_KERNEL);
+ if (!drvdata->i2sctl)
+ return -ENOMEM;
/* Initialize bitfields for dai I2SCTL register */
ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl,
Patches currently in stable-queue which might be from zichenxie0106@xxxxxxxxx are
queue-5.10/asoc-qcom-fix-null-dereference-in-asoc_qcom_lpass_cpu_platform_probe.patch
