From: Yuan Can yuancan@huawei.com
[ Upstream commit 1bf5ee979076ceb121ee51c95197d890b1cee7f4 ]
As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference.
Fixes: 24caf8d9eb10 ("ASoC: qcom: lpass-sc7180: Add platform driver for lpass audio") Signed-off-by: Yuan Can yuancan@huawei.com Link: https://lore.kernel.org/r/20221124140510.63468-1-yuancan@huawei.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/qcom/lpass-sc7180.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c index c647e627897a..cb4e9017cd77 100644 --- a/sound/soc/qcom/lpass-sc7180.c +++ b/sound/soc/qcom/lpass-sc7180.c @@ -129,6 +129,9 @@ static int sc7180_lpass_init(struct platform_device *pdev)
drvdata->clks = devm_kcalloc(dev, variant->num_clks, sizeof(*drvdata->clks), GFP_KERNEL); + if (!drvdata->clks) + return -ENOMEM; + drvdata->num_clks = variant->num_clks;
for (i = 0; i < drvdata->num_clks; i++)