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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html