linux-kernel - [PATCH 4/9 linux-next] drm/nouveau: use container_of to resolve nouveau_fbdev from drm_fb

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Message-Id: <1410712823-29137-5-git-send-email-fabf@skynet.be>
Date:	Sun, 14 Sep 2014 18:40:17 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	airlied@...ux.ie, Fabian Frederick <fabf@...net.be>,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH 4/9 linux-next] drm/nouveau: use container_of to resolve nouveau_fbdev from drm_fb_helper

Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
Compiled but untested.

 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 8bdd270..673d270 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -308,7 +308,8 @@ static int
 nouveau_fbcon_create(struct drm_fb_helper *helper,
 		     struct drm_fb_helper_surface_size *sizes)
 {
-	struct nouveau_fbdev *fbcon = (struct nouveau_fbdev *)helper;
+	struct nouveau_fbdev *fbcon =
+		container_of(helper, struct nouveau_fbdev, helper);
 	struct drm_device *dev = fbcon->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvif_device *device = &drm->device;
-- 
1.9.1

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