[PATCH 9/9 linux-next] drm/udl: use container_of to resolve udl_fbdev from drm_fb_helper

From: Fabian Frederick
Date: Sun Sep 14 2014 - 12:42:07 EST


Use container_of instead of casting first structure member.

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

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

diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index d1da339..8cbcb45 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -472,7 +472,8 @@ udl_framebuffer_init(struct drm_device *dev,
static int udlfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
- struct udl_fbdev *ufbdev = (struct udl_fbdev *)helper;
+ struct udl_fbdev *ufbdev =
+ container_of(helper, struct udl_fbdev, helper);
struct drm_device *dev = ufbdev->helper.dev;
struct fb_info *info;
struct device *device = dev->dev;
--
1.9.1

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