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From:   Baokun Li <libaokun1@huawei.com>
To:     <linux-kernel@vger.kernel.org>,
        Christian Koenig <christian.koenig@amd.com>,
        Huang Rui <ray.huang@amd.com>, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sumit Semwal <sumit.semwal@linaro.org>
CC:     <weiyongjun1@huawei.com>, <yuehaibing@huawei.com>,
        <yangjihong1@huawei.com>, <yukuai3@huawei.com>,
        <libaokun1@huawei.com>, <dri-devel@lists.freedesktop.org>,
        <linux-media@vger.kernel.org>, <linaro-mm-sig@lists.linaro.org>,
        <kernel-janitors@vger.kernel.org>, "Hulk Robot" <hulkci@huawei.com>
Subject: [PATCH -next v2] drm/ttm: use list_move instead of list_del/list_add in ttm_execbuf_util.c
Date:   Wed, 9 Jun 2021 15:07:50 +0800
Message-ID: <20210609070750.1329318-1-libaokun1@huawei.com>
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Using list_move() instead of list_del() + list_add() in ttm_execbuf_util.c.

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

 drivers/gpu/drm/ttm/ttm_execbuf_util.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index 071c48d672c6..c50943888d04 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -95,8 +95,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 		if (ret == -EALREADY && dups) {
 			struct ttm_validate_buffer *safe = entry;
 			entry = list_prev_entry(entry, head);
-			list_del(&safe->head);
-			list_add(&safe->head, dups);
+			list_move(&safe->head, dups);
 			continue;
 		}
 
@@ -135,8 +134,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 		/* move this item to the front of the list,
 		 * forces correct iteration of the loop without keeping track
 		 */
-		list_del(&entry->head);
-		list_add(&entry->head, list);
+		list_move(&entry->head, list);
 	}
 
 	return 0;