[PATCH 1/9 linux-next] drm/cirrus: use container_of to resolve cirrus_fbdev from drm_fb_helper

From: Fabian Frederick
Date: Sun Sep 14 2014 - 12:40:47 EST


Use container_of instead of casting first structure member.

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

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

diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 2a135f2..d231b1c 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -160,7 +160,8 @@ static int cirrusfb_create_object(struct cirrus_fbdev *afbdev,
static int cirrusfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
- struct cirrus_fbdev *gfbdev = (struct cirrus_fbdev *)helper;
+ struct cirrus_fbdev *gfbdev =
+ container_of(helper, struct cirrus_fbdev, helper);
struct drm_device *dev = gfbdev->helper.dev;
struct cirrus_device *cdev = gfbdev->helper.dev->dev_private;
struct fb_info *info;
--
1.9.1

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