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[PATCH 38/50] media: usb: tlg2300: spin_lock in complete() cleanup

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Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().

Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
 drivers/media/usb/tlg2300/pd-video.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c
index 8df668d..4e5bd07 100644
--- a/drivers/media/usb/tlg2300/pd-video.c
+++ b/drivers/media/usb/tlg2300/pd-video.c
@@ -151,11 +151,12 @@ static void init_copy(struct video_data *video, bool index)
 static bool get_frame(struct front_face *front, int *need_init)
 {
 	struct videobuf_buffer *vb = front->curr_frame;
+	unsigned long flags;
 
 	if (vb)
 		return true;
 
-	spin_lock(&front->queue_lock);
+	spin_lock_irqsave(&front->queue_lock, flags);
 	if (!list_empty(&front->active)) {
 		vb = list_entry(front->active.next,
 			       struct videobuf_buffer, queue);
@@ -164,7 +165,7 @@ static bool get_frame(struct front_face *front, int *need_init)
 		front->curr_frame = vb;
 		list_del_init(&vb->queue);
 	}
-	spin_unlock(&front->queue_lock);
+	spin_unlock_irqrestore(&front->queue_lock, flags);
 
 	return !!vb;
 }
-- 
1.7.9.5

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