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ASoC: qcom: Add checks for devm_kcalloc
author
Yuan Can
<yuancan@huawei.com>
Thu, 24 Nov 2022 14:05:10 +0000
(14:05 +0000)
committer
Mark Brown
<broonie@kernel.org>
Thu, 24 Nov 2022 15:29:33 +0000
(15:29 +0000)
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>
sound/soc/qcom/lpass-sc7180.c
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diff --git
a/sound/soc/qcom/lpass-sc7180.c
b/sound/soc/qcom/lpass-sc7180.c
index
77a556b
..
24a1c12
100644
(file)
--- a/
sound/soc/qcom/lpass-sc7180.c
+++ b/
sound/soc/qcom/lpass-sc7180.c
@@
-131,6
+131,9
@@
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++)