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authorXiaoke Wang <xkernel.wang@foxmail.com>2022-03-14 18:36:45 +0800
committerMark Brown <broonie@kernel.org>2022-03-16 16:39:17 +0000
commitd39664cb758e9e329ac3ba05bd4f813f928f63c2 (patch)
tree305a148c9ada1e4be018f228ecaefe7167615ff4 /sound
parenta8ae15ead9c9d10671c3f76cb0749dec6e571ce7 (diff)
downloadlinux-d39664cb758e9e329ac3ba05bd4f813f928f63c2.tar.bz2
ASoC: samsung: i2s: check the return value of kstrdup()
kstrdup() is a memory allocation function which can return NULL when some internal memory errors happen. It is better to check the return value of it to catch the error in time. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Link: https://lore.kernel.org/r/tencent_EC21778DC383823CBC4069EA9F0B84943905@qq.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/samsung/i2s.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 309badc97290..70c827162be4 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1349,6 +1349,10 @@ static int i2s_create_secondary_device(struct samsung_i2s_priv *priv)
return -ENOMEM;
pdev_sec->driver_override = kstrdup("samsung-i2s", GFP_KERNEL);
+ if (!pdev_sec->driver_override) {
+ platform_device_put(pdev_sec);
+ return -ENOMEM;
+ }
ret = platform_device_add(pdev_sec);
if (ret < 0) {