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 fe742fd..e4a864e 100644 (file)
--- 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)