5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Zichen Xie zichenxie0106@gmail.com
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@vger.kernel.org Signed-off-by: Zichen Xie zichenxie0106@gmail.com Link: https://patch.msgid.link/20241006205737.8829-1-zichenxie0106@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -975,6 +975,8 @@ 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,