ASoC: 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>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c
index 3f7b255587e6aa83446e7fff7444e75217a802f8..80d672710eaefbbd33d239d22f89eace3862b963 100644 (file)
--- 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);
        }