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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>
This commit is contained in:
Xiaoke Wang 2022-03-14 18:36:45 +08:00 committed by Mark Brown
parent a8ae15ead9
commit d39664cb75
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions
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4
sound/soc/samsung/i2s.c
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@ -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) {