[media] em28xx-audio: flush work at .fini

As a pending action might be still there at the work
thread, flush it.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 74575e0ed41b..1563f71a5ea2 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -967,6 +967,8 @@ static int em28xx_audio_fini(struct em28xx *dev)
         em28xx_info("Closing audio extension");
 
         snd_card_disconnect(dev->adev.sndcard);
+        flush_work(&dev->wq_trigger);
+
         em28xx_audio_free_urb(dev);
 
         if (dev->adev.sndcard) {