1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 14fec2a23b2e..819f08f1310d 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -268,6 +268,8 @@ static inline int lockdep_internal(void)
                 do { (void)(key); } while (0)
 #define lockdep_set_class_and_subclass(lock, key, sub) \
                 do { (void)(key); } while (0)
+#define lockdep_set_subclass(lock, sub)         do { } while (0)
+
 # define INIT_LOCKDEP
 # define lockdep_reset()                do { debug_locks = 1; } while (0)
 # define lockdep_free_key_range(start, size)    do { } while (0)