diff --git a/[refs] b/[refs]
index ef5199fb1478..c0079bbbfc11 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 076fa0fa2d53046d32f5157022d683b8027f05ed
+refs/heads/master: 9e860d000a90cfc9ca270ddb6e99b177e6aa91cd
diff --git a/trunk/kernel/lockdep.c b/trunk/kernel/lockdep.c
index 7f573136a905..dc4ea4c2b4c8 100644
--- a/trunk/kernel/lockdep.c
+++ b/trunk/kernel/lockdep.c
@@ -1309,8 +1309,9 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
 
 /*
  * Look up a dependency chain. If the key is not present yet then
- * add it and return 0 - in this case the new dependency chain is
- * validated. If the key is already hashed, return 1.
+ * add it and return 1 - in this case the new dependency chain is
+ * validated. If the key is already hashed, return 0.
+ * (On return with 1 graph_lock is held.)
  */
 static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class)
 {