audit: fix info leak in AUDIT_GET requests

[linux-3.10.git] / kernel / mutex.h

diff --git a/kernel/mutex.h b/kernel/mutex.h
index aeb2d916aa0e20eb84d57e39de34d5f311bb5a29..4115fbf83b12ed11e2b05bc7cccfb5933cb3311d 100644 (file)
--- a/kernel/mutex.h
+++ b/kernel/mutex.h
@@ -16,13 +16,31 @@
 #define mutex_remove_waiter(lock, waiter, ti) \
                __list_del((waiter)->list.prev, (waiter)->list.next)
 
-#define debug_mutex_set_owner(lock, new_owner)         do { } while (0)
-#define debug_mutex_clear_owner(lock)                  do { } while (0)
+#ifdef CONFIG_SMP
+static inline void mutex_set_owner(struct mutex *lock)
+{
+       lock->owner = current;
+}
+
+static inline void mutex_clear_owner(struct mutex *lock)
+{
+       lock->owner = NULL;
+}
+#else
+static inline void mutex_set_owner(struct mutex *lock)
+{
+}
+
+static inline void mutex_clear_owner(struct mutex *lock)
+{
+}
+#endif
+
 #define debug_mutex_wake_waiter(lock, waiter)          do { } while (0)
 #define debug_mutex_free_waiter(waiter)                        do { } while (0)
 #define debug_mutex_add_waiter(lock, waiter, ti)       do { } while (0)
 #define debug_mutex_unlock(lock)                       do { } while (0)
-#define debug_mutex_init(lock, name)                   do { } while (0)
+#define debug_mutex_init(lock, name, key)              do { } while (0)
 
 static inline void
 debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)