cx88: use list_move_tail instead of list_del/list_add_tail
Commit Message
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Using list_move_tail() instead of list_del() + list_add_tail().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/media/pci/cx88/cx88-mpeg.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
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@@ -217,8 +217,7 @@ static int cx8802_restart_queue(struct cx8802_dev *dev,
return 0;
buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
if (NULL == prev) {
- list_del(&buf->vb.queue);
- list_add_tail(&buf->vb.queue,&q->active);
+ list_move_tail(&buf->vb.queue, &q->active);
cx8802_start_dma(dev, q, buf);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
@@ -229,8 +228,7 @@ static int cx8802_restart_queue(struct cx8802_dev *dev,
} else if (prev->vb.width == buf->vb.width &&
prev->vb.height == buf->vb.height &&
prev->fmt == buf->fmt) {
- list_del(&buf->vb.queue);
- list_add_tail(&buf->vb.queue,&q->active);
+ list_move_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);