Use container_of instead of casting first structure member.
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
Compiled but untested.
drivers/gpu/drm/mgag200/mgag200_fb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 5451dc5..4415af3 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -158,7 +158,8 @@ static int mgag200fb_create_object(struct mga_fbdev *afbdev,
static int mgag200fb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
- struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper;
+ struct mga_fbdev *mfbdev =
+ container_of(helper, struct mga_fbdev, helper);
struct drm_device *dev = mfbdev->helper.dev;
struct drm_mode_fb_cmd2 mode_cmd;
struct mga_device *mdev = dev->dev_private;
--
1.9.1
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