V4L/DVB (5871): Conexant 2388x: check for kthread_run
The patch adds checking of kthread_run return code and issues a message
if it fails.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 98fa354..06b233a 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1881,8 +1881,14 @@
mutex_unlock(&core->lock);
/* start tvaudio thread */
- if (core->tuner_type != TUNER_ABSENT)
+ if (core->tuner_type != TUNER_ABSENT) {
core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
+ if (IS_ERR(core->kthread)) {
+ err = PTR_ERR(core->kthread);
+ printk(KERN_ERR "Failed to create cx88 audio thread, err=%d\n",
+ err);
+ }
+ }
return 0;
fail_unreg: