From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Mon, 13 Jan 2014 14:32:00 +0000 (-0300)
Subject: [media] em28xx-audio: flush work at .fini
X-Git-Tag: firefly_0821_release~176^2~3573^2~756
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b49eb2bd71c39fb69ae9001dac9f07ae6259f9ef;p=firefly-linux-kernel-4.4.55.git

[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>
---

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) {