1 files changed, 2 insertions, 1 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 22db51d10619..4ab866e73f46 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -122,7 +122,8 @@ struct drm_device;
  * using the DRM_DEBUG_KMS and DRM_DEBUG.
  */
 
-extern void drm_ut_debug_printk(unsigned int request_level,
+extern __attribute__((format (printf, 4, 5)))
+void drm_ut_debug_printk(unsigned int request_level,
                                 const char *prefix,
                                 const char *function_name,
                                 const char *format, ...);