Unverified Commit d39664cb authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Mark Brown
Browse files

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: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_EC21778DC383823CBC4069EA9F0B84943905@qq.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a8ae15ea

sound/soc/samsung/i2s.c

+4 −0
Original line number Diff line number Diff line
@@ -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) {