linux-kernel - [PATCH] drm/nouveau:Fix gcc '-Wunused-but-set-variable' warnings:

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Message-ID: <20210928193453.60253-1-songkai01@inspur.com>
Date:   Wed, 29 Sep 2021 03:34:53 +0800
From:   Kai Song <songkai01@...pur.com>
To:     <bskeggs@...hat.com>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, Kai Song <songkai01@...pur.com>
Subject: [PATCH] drm/nouveau:Fix gcc '-Wunused-but-set-variable' warnings:

drivers/gpu/drm/nouveau/nouveau_bo.c: In function 'nouveau_ttm_tt_populate':
drivers/gpu/drm/nouveau/nouveau_bo.c:1251:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/nouveau/nouveau_bo.c: In function 'nouveau_ttm_tt_unpopulate':
drivers/gpu/drm/nouveau/nouveau_bo.c:1274:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kai Song <songkai01@...pur.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index d3b21d318b42..7f5a3a8eec9e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1249,7 +1249,6 @@ nouveau_ttm_tt_populate(struct ttm_device *bdev,
 {
 	struct ttm_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
-	struct device *dev;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
 
 	if (ttm_tt_is_populated(ttm))
@@ -1262,7 +1261,6 @@ nouveau_ttm_tt_populate(struct ttm_device *bdev,
 	}
 
 	drm = nouveau_bdev(bdev);
-	dev = drm->dev->dev;
 
 	return ttm_pool_alloc(&drm->ttm.bdev.pool, ttm, ctx);
 }
@@ -1272,7 +1270,6 @@ nouveau_ttm_tt_unpopulate(struct ttm_device *bdev,
 			  struct ttm_tt *ttm)
 {
 	struct nouveau_drm *drm;
-	struct device *dev;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
 
 	if (slave)
@@ -1281,7 +1278,6 @@ nouveau_ttm_tt_unpopulate(struct ttm_device *bdev,
 	nouveau_ttm_tt_unbind(bdev, ttm);
 
 	drm = nouveau_bdev(bdev);
-	dev = drm->dev->dev;
 
 	return ttm_pool_free(&drm->ttm.bdev.pool, ttm);
 }
-- 
2.27.0