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

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Date:   Tue, 8 Jun 2021 11:09:05 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <linux-kernel@...r.kernel.org>, Vinod Koul <vkoul@...nel.org>,
        "Michal Simek" <michal.simek@...inx.com>,
        Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
        Shravya Kumbham <shravya.kumbham@...inx.com>,
        Matthew Murrian <matthew.murrian@...tsi.com>,
        Romain Perier <romain.perier@...il.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Allen Pais <allen.lkml@...il.com>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...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] dmaengine: xilinx_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>
---
 drivers/dma/xilinx/xilinx_dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 75c0b8e904e5..77022ef05ac5 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -1411,8 +1411,7 @@ static void xilinx_vdma_start_transfer(struct xilinx_dma_chan *chan)
 
 	chan->desc_submitcount++;
 	chan->desc_pendingcount--;
-	list_del(&desc->node);
-	list_add_tail(&desc->node, &chan->active_list);
+	list_move_tail(&desc->node, &chan->active_list);
 	if (chan->desc_submitcount == chan->num_frms)
 		chan->desc_submitcount = 0;