[media] media: vb2: reset queued list on REQBUFS(0) call

Queued list was not reset on REQBUFS(0) call. This caused to enqueue a
freed buffer to the driver.

Reported-by: Angela Wan <angela.j.wan@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index e7c52ff..95a3f5e 100644 (file)
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -265,6 +265,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
        q->num_buffers -= buffers;
        if (!q->num_buffers)
                q->memory = 0;
        q->num_buffers -= buffers;
        if (!q->num_buffers)
                q->memory = 0;

+       INIT_LIST_HEAD(&q->queued_list);

 }
 
 /**
 }
 
 /**