linux-kernel - [PATCH -next v2] drm/vmwgfx: Use list_move_tail instead of list_del/list_add_tail in vmwgfx_cmdbuf

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Date:   Wed, 9 Jun 2021 15:22:48 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        VMware Graphics <linux-graphics-maintainer@...are.com>,
        Roland Scheidegger <sroland@...are.com>,
        Zack Rusin <zackr@...are.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...wei.com>,
        <libaokun1@...wei.com>, <dri-devel@...ts.freedesktop.org>,
        <kernel-janitors@...r.kernel.org>, "Hulk Robot" <hulkci@...wei.com>
Subject: [PATCH -next v2] drm/vmwgfx: Use list_move_tail instead of list_del/list_add_tail in vmwgfx_cmdbuf_res.c

Using list_move_tail() instead of list_del() + list_add_tail() in vmwgfx_cmdbuf_res.c.

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

 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index b262d61d839d..6aebe7d933cc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -167,8 +167,7 @@ void vmw_cmdbuf_res_revert(struct list_head *list)
 			break;
 		case VMW_CMDBUF_RES_DEL:
 			drm_ht_insert_item(&entry->man->resources, &entry->hash);
-			list_del(&entry->head);
-			list_add_tail(&entry->head, &entry->man->list);
+			list_move_tail(&entry->head, &entry->man->list);
 			entry->state = VMW_CMDBUF_RES_COMMITTED;
 			break;
 		default: