linux-kernel - [PATCH 3/9 linux-next] drm/radeon: use container_of to resolve radeon_fbdev from drm_fb

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Message-Id: <1410712823-29137-4-git-send-email-fabf@skynet.be>
Date:	Sun, 14 Sep 2014 18:40:16 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	airlied@...ux.ie, Fabian Frederick <fabf@...net.be>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH 3/9 linux-next] drm/radeon: use container_of to resolve radeon_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/radeon/radeon_fb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 94b0f2a..0ea1db8 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -189,7 +189,8 @@ out_unref:
 static int radeonfb_create(struct drm_fb_helper *helper,
 			   struct drm_fb_helper_surface_size *sizes)
 {
-	struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper;
+	struct radeon_fbdev *rfbdev =
+		container_of(helper, struct radeon_fbdev, helper);
 	struct radeon_device *rdev = rfbdev->rdev;
 	struct fb_info *info;
 	struct drm_framebuffer *fb = NULL;
-- 
1.9.1

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