We need BUG_ON(), spinlock_t and standard kernel data-types so include the right headers.
Signed-off-by: David Herrmann <dh.herrmann at gmail.com> --- include/drm/drm_mm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index a30c9aa..d3f0aa1 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -36,7 +36,10 @@ /* * Generic range manager structs */ +#include <linux/bug.h> +#include <linux/kernel.h> #include <linux/list.h> +#include <linux/spinlock.h> #ifdef CONFIG_DEBUG_FS #include <linux/seq_file.h> #endif -- 1.8.3.3