diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/locking/lockdep.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 346b5a1fd062..737d2dd3ea56 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4122,6 +4122,9 @@ void lockdep_reset(void) raw_local_irq_restore(flags); } +/* + * Remove all references to a lock class. The caller must hold the graph lock. + */ static void zap_class(struct lock_class *class) { int i; @@ -4229,6 +4232,7 @@ void lockdep_reset_lock(struct lockdep_map *lock) int j, locked; raw_local_irq_save(flags); + locked = graph_lock(); /* * Remove all classes this lock might have: @@ -4245,7 +4249,6 @@ void lockdep_reset_lock(struct lockdep_map *lock) * Debug check: in the end all mapped classes should * be gone. */ - locked = graph_lock(); if (unlikely(lock_class_cache_is_registered(lock))) { if (debug_locks_off_graph_unlock()) { /* |