dma: tegra: use list_move_tail instead of list_del/list_add_tail

Using list_move_tail() instead of list_del() + list_add_tail().

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 24acd711e032..6ed3f43be41e 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -475,8 +475,7 @@ static void tegra_dma_abort_all(struct tegra_dma_channel *tdc)
         while (!list_empty(&tdc->pending_sg_req)) {
                 sgreq = list_first_entry(&tdc->pending_sg_req,
                                                 typeof(*sgreq), node);
-                list_del(&sgreq->node);
-                list_add_tail(&sgreq->node, &tdc->free_sg_req);
+                list_move_tail(&sgreq->node, &tdc->free_sg_req);
                 if (sgreq->last_sg) {
                         dma_desc = sgreq->dma_desc;
                         dma_desc->dma_status = DMA_ERROR;
@@ -570,8 +569,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
 
         /* If not last req then put at end of pending list */
         if (!list_is_last(&sgreq->node, &tdc->pending_sg_req)) {
-                list_del(&sgreq->node);
-                list_add_tail(&sgreq->node, &tdc->pending_sg_req);
+                list_move_tail(&sgreq->node, &tdc->pending_sg_req);
                 sgreq->configured = false;
                 st = handle_continuous_head_request(tdc, sgreq, to_terminate);
                 if (!st)