linux-kernel - [PATCH -next v2] dmaengine: zynqmp_dma: Use list_move_tail instead of list_del/list_add

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Message-ID: <20210609071349.1336853-1-libaokun1@huawei.com>
Date:   Wed, 9 Jun 2021 15:13:49 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <linux-kernel@...r.kernel.org>, Vinod Koul <vkoul@...nel.org>,
        "Michal Simek" <michal.simek@...inx.com>,
        Romain Perier <romain.perier@...il.com>,
        Allen Pais <allen.lkml@...il.com>, Yu Kuai <yukuai3@...wei.com>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <libaokun1@...wei.com>,
        <dmaengine@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next v2] dmaengine: zynqmp_dma: Use list_move_tail instead of list_del/list_add_tail

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

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
V1->V2:
	CC mailist

 drivers/dma/xilinx/zynqmp_dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index 5fecf5aa6e85..97f02f8eb03a 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -434,8 +434,7 @@ static void zynqmp_dma_free_descriptor(struct zynqmp_dma_chan *chan,
 	struct zynqmp_dma_desc_sw *child, *next;
 
 	chan->desc_free_cnt++;
-	list_del(&sdesc->node);
-	list_add_tail(&sdesc->node, &chan->free_list);
+	list_move_tail(&sdesc->node, &chan->free_list);
 	list_for_each_entry_safe(child, next, &sdesc->tx_list, node) {
 		chan->desc_free_cnt++;
 		list_move_tail(&child->node, &chan->free_list);