[alsa-devel] [PATCH] sound: cs43130: fix a NULL pointer dereference

In case create_singlethread_workqueue fails, the fix returns -ENOMEM to avoid potential NULL pointer dereference.

Signed-off-by: Kangjie Lu kjlu@umn.edu --- sound/soc/codecs/cs43130.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c index 3f7b255587e6..80d672710eae 100644 --- a/sound/soc/codecs/cs43130.c +++ b/sound/soc/codecs/cs43130.c @@ -2322,6 +2322,8 @@ static int cs43130_probe(struct snd_soc_component *component) return ret;

cs43130->wq = create_singlethread_workqueue("cs43130_hp"); + if (!cs43130->wq) + return -ENOMEM; INIT_WORK(&cs43130->work, cs43130_imp_meas); }