[media] cx88: use list_move_tail instead of list_del/list_add_tail

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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index d154bc1..1b7e979 100644 (file)
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -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);