diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_queue.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 74f9483911d0..bebf2415d9de 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -169,18 +169,19 @@ static int uvc_start_streaming(struct vb2_queue *vq, unsigned int count) { struct uvc_video_queue *queue = vb2_get_drv_priv(vq); struct uvc_streaming *stream = uvc_queue_to_stream(queue); - unsigned long flags; int ret; + lockdep_assert_irqs_enabled(); + queue->buf_used = 0; ret = uvc_video_enable(stream, 1); if (ret == 0) return 0; - spin_lock_irqsave(&queue->irqlock, flags); + spin_lock_irq(&queue->irqlock); uvc_queue_return_buffers(queue, UVC_BUF_STATE_QUEUED); - spin_unlock_irqrestore(&queue->irqlock, flags); + spin_unlock_irq(&queue->irqlock); return ret; } @@ -188,14 +189,15 @@ static int uvc_start_streaming(struct vb2_queue *vq, unsigned int count) static void uvc_stop_streaming(struct vb2_queue *vq) { struct uvc_video_queue *queue = vb2_get_drv_priv(vq); - unsigned long flags; + + lockdep_assert_irqs_enabled(); if (vq->type != V4L2_BUF_TYPE_META_CAPTURE) uvc_video_enable(uvc_queue_to_stream(queue), 0); - spin_lock_irqsave(&queue->irqlock, flags); + spin_lock_irq(&queue->irqlock); uvc_queue_return_buffers(queue, UVC_BUF_STATE_ERROR); - spin_unlock_irqrestore(&queue->irqlock, flags); + spin_unlock_irq(&queue->irqlock); } static const struct vb2_ops uvc_queue_qops = { |