From: Bixuan Cui <cuibixuan@huawei.com>
Date: Wed, 8 Sep 2021 09:28:26 +0000 (+0800)
Subject: dmaengine: idxd: Use list_move_tail instead of list_del/list_add_tail
X-Git-Tag: v5.16-rc1~63^2~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee5c6f0ca219b65f5085043d481d9b6f045693d5;p=thirdparty%2Fkernel%2Flinux.git

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@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20210908092826.67765-1-cuibixuan@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c
index ca88fa7a328e7..79fcfc4883e47 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);
 		}
 	}