From: Xiaoke Wang xkernel.wang@foxmail.com

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.

Signed-off-by: Xiaoke Wang xkernel.wang@foxmail.com --- sound/soc/samsung/i2s.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 309badc..70c8271 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) { --