The function check_pixel_format has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int.

Signed-off-by: Haowen Bai baihaowen@meizu.com --- drivers/gpu/drm/kmb/kmb_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c index 2735b8eb3537..5071b7029da6 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.c +++ b/drivers/gpu/drm/kmb/kmb_plane.c @@ -65,7 +65,7 @@ static const u32 kmb_formats_v[] = { DRM_FORMAT_NV12, DRM_FORMAT_NV21, };

-static unsigned int check_pixel_format(struct drm_plane *plane, u32 format) +static int check_pixel_format(struct drm_plane *plane, u32 format) { struct kmb_drm_private *kmb; struct kmb_plane *kmb_plane = to_kmb_plane(plane);