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

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Message-ID: <20210908092826.67765-1-cuibixuan@huawei.com>
Date:   Wed, 8 Sep 2021 17:28:26 +0800
From:   Bixuan Cui <cuibixuan@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <dmaengine@...r.kernel.org>
CC:     <dave.jiang@...el.com>, <vkoul@...nel.org>,
        <john.wanghui@...wei.com>
Subject: [PATCH -next] dmaengine: idxd: 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: Bixuan Cui <cuibixuan@...wei.com>
---
 drivers/dma/idxd/irq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c
index ca88fa7a328e..79fcfc4883e4 100644
--- a/drivers/dma/idxd/irq.c
+++ b/drivers/dma/idxd/irq.c
@@ -221,8 +221,7 @@ static void irq_process_work_list(struct idxd_irq_entry *irq_entry)
 
 	list_for_each_entry_safe(desc, n, &irq_entry->work_list, list) {
 		if (desc->completion->status) {
-			list_del(&desc->list);
-			list_add_tail(&desc->list, &flist);
+			list_move_tail(&desc->list, &flist);
 		}
 	}
 
-- 
2.17.1