1<<31 is undefined because it's a signed int and C is terrible.
Reviewed-by: Eric Engestrom eric.engestrom@intel.com Signed-off-by: Adam Jackson ajax@redhat.com --- include/uapi/drm/drm_fourcc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3feeaa3f987a..c06d34559fab 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -69,7 +69,7 @@ extern "C" { #define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \ ((__u32)(c) << 16) | ((__u32)(d) << 24))
-#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */ +#define DRM_FORMAT_BIG_ENDIAN (1U<<31) /* format is big endian instead of little endian */
/* Reserve 0 for the invalid format specifier */ #define DRM_FORMAT_INVALID 0