ASoC: Minor fixes to DaVinci I2S probe function
[pandora-kernel.git] / kernel / lockdep.c
index 81b5f33..accb40c 100644 (file)
@@ -793,6 +793,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
 
                printk("BUG: MAX_LOCKDEP_KEYS too low!\n");
                printk("turning off the locking correctness validator.\n");
+               dump_stack();
                return NULL;
        }
        class = lock_classes + nr_lock_classes++;
@@ -856,6 +857,7 @@ static struct lock_list *alloc_list_entry(void)
 
                printk("BUG: MAX_LOCKDEP_ENTRIES too low!\n");
                printk("turning off the locking correctness validator.\n");
+               dump_stack();
                return NULL;
        }
        return list_entries + nr_list_entries++;
@@ -1682,6 +1684,7 @@ cache_hit:
 
                printk("BUG: MAX_LOCKDEP_CHAINS too low!\n");
                printk("turning off the locking correctness validator.\n");
+               dump_stack();
                return 0;
        }
        chain = lock_chains + nr_lock_chains++;
@@ -2487,13 +2490,20 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
 void lockdep_init_map(struct lockdep_map *lock, const char *name,
                      struct lock_class_key *key, int subclass)
 {
-       if (unlikely(!debug_locks))
+       lock->class_cache = NULL;
+#ifdef CONFIG_LOCK_STAT
+       lock->cpu = raw_smp_processor_id();
+#endif
+
+       if (DEBUG_LOCKS_WARN_ON(!name)) {
+               lock->name = "NULL";
                return;
+       }
+
+       lock->name = name;
 
        if (DEBUG_LOCKS_WARN_ON(!key))
                return;
-       if (DEBUG_LOCKS_WARN_ON(!name))
-               return;
        /*
         * Sanity check, the lock-class key must be persistent:
         */
@@ -2502,12 +2512,11 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
                DEBUG_LOCKS_WARN_ON(1);
                return;
        }
-       lock->name = name;
        lock->key = key;
-       lock->class_cache = NULL;
-#ifdef CONFIG_LOCK_STAT
-       lock->cpu = raw_smp_processor_id();
-#endif
+
+       if (unlikely(!debug_locks))
+               return;
+
        if (subclass)
                register_lock_class(lock, subclass, 1);
 }
@@ -2541,6 +2550,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
                debug_locks_off();
                printk("BUG: MAX_LOCKDEP_SUBCLASSES too low!\n");
                printk("turning off the locking correctness validator.\n");
+               dump_stack();
                return 0;
        }
 
@@ -2637,6 +2647,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
                debug_locks_off();
                printk("BUG: MAX_LOCK_DEPTH too low!\n");
                printk("turning off the locking correctness validator.\n");
+               dump_stack();
                return 0;
        }