Use container_of instead of casting first structure member.
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
Compiled but untested.
drivers/gpu/drm/ast/ast_fb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index cba45c7..5c60ae5 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -186,7 +186,8 @@ static int astfb_create_object(struct ast_fbdev *afbdev,
static int astfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
- struct ast_fbdev *afbdev = (struct ast_fbdev *)helper;
+ struct ast_fbdev *afbdev =
+ container_of(helper, struct ast_fbdev, helper);
struct drm_device *dev = afbdev->helper.dev;
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_framebuffer *fb;
--
1.9.1
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