From: Brandon Philips <brandon@ifup.org>
Date: Wed, 2 Apr 2008 21:10:57 +0000 (-0300)
Subject: V4L/DVB (7487): videobuf: Wakeup queues after changing the state to ERROR
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b608f4323a0e0440d18fa13aea3db98351137487;p=linux-beck.git

V4L/DVB (7487): videobuf: Wakeup queues after changing the state to ERROR

The waitqueues must be woken up every time state changes.

Signed-off-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index fe742fdfae07..e4a864e0d96b 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -204,6 +204,7 @@ void videobuf_queue_cancel(struct videobuf_queue *q)
 		if (q->bufs[i]->state == VIDEOBUF_QUEUED) {
 			list_del(&q->bufs[i]->queue);
 			q->bufs[i]->state = VIDEOBUF_ERROR;
+			wake_up_all(&q->bufs[i]->done);
 		}
 	}
 	if (q->irqlock)