kstrdup() can return NULL, it is better to check the return value of it.
Fix: free jack and use my full name.
Signed-off-by: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx>
---
sound/core/jack.c | 4 ++
1 file changed, 4 insertions(+)
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 32350c6..5fd9954 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -509,6 +509,10 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
return -ENOMEM;
jack->id = kstrdup(id, GFP_KERNEL);
+ if (jack->id == NULL) {
+ kfree(jack);
+ return -ENOMEM;
+ }
/* don't creat input device for phantom jack */
if (!phantom_jack) {
--
