diff --git a/sys/compat/linuxkpi/common/include/linux/lockdep.h b/sys/compat/linuxkpi/common/include/linux/lockdep.h
--- a/sys/compat/linuxkpi/common/include/linux/lockdep.h
+++ b/sys/compat/linuxkpi/common/include/linux/lockdep.h
@@ -38,6 +38,8 @@
 };
 struct lockdep_map {
 };
+struct pin_cookie {
+};
 
 #define	lockdep_set_class(lock, key)
 #define	lockdep_set_subclass(lock, sub)
@@ -69,9 +71,9 @@
 #define	lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
 
 #else
-#define	lockdep_assert_held(m) do { } while (0)
+#define	lockdep_assert_held(m) do { (void)(m); } while (0)
 
-#define	lockdep_assert_held_once(m) do { } while (0)
+#define	lockdep_assert_held_once(m) do { (void)(m); } while (0)
 
 #define	lockdep_is_held(m)	1
 #define	lockdep_is_held_type(_m, _t)	1
@@ -92,8 +94,8 @@
 #define	lock_map_acquire_read(_map) do { } while (0)
 #define	lock_map_release(_map) do { } while (0)
 
-#define	lockdep_pin_lock(l) do { } while (0)
-#define	lockdep_repin_lock(l,c) do { } while (0)
-#define	lockdep_unpin_lock(l,c) do { } while (0)
+#define	lockdep_pin_lock(l) ({ struct pin_cookie __pc = { }; __pc; })
+#define	lockdep_repin_lock(l,c) do { (void)(l); (void)(c); } while (0)
+#define	lockdep_unpin_lock(l,c) do { (void)(l); (void)(c); } while (0)
 
 #endif /* _LINUX_LOCKDEP_H_ */