linux-kernel - [PATCH -next] drm/amdgpu: use list_move instead of list_del/list

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Message-Id: <1468929714-8736-1-git-send-email-weiyj_lk@163.com>
Date:	Tue, 19 Jul 2016 12:01:54 +0000
From:	Wei Yongjun <weiyj_lk@....com>
To:	Alex Deucher <alexander.deucher@....com>, christian.koenig@....com,
	airlied@...ux.ie, David1.Zhou@....com, Jammy.Zhou@....com,
	Monk.Liu@....com
Cc:	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next] drm/amdgpu: use list_move instead of list_del/list_add

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Using list_move() instead of list_del() + list_add().

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0307ff5..aba38ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -414,8 +414,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 
 			if (e->robj->tbo.ttm->state != tt_bound &&
 			    !e->user_pages) {
-				list_del(&e->tv.head);
-				list_add(&e->tv.head, &need_pages);
+				list_move(&e->tv.head, &need_pages);
 
 				amdgpu_bo_unreserve(e->robj);
 			}