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@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210609072248.1353421-1-libaokun1@huawei.com

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c

@@ -169,8 +169,7 @@ void vmw_cmdbuf_res_revert(struct list_head *list)
 		case VMW_CMDBUF_RES_DEL:
 			ret = drm_ht_insert_item(&entry->man->resources, &entry->hash);
 			BUG_ON(ret);
-			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: