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[Bluetooth] Fix reference count when connection lookup fails
[pandora-kernel.git]
/
lib
/
rwsem-spinlock.c
diff --git
a/lib/rwsem-spinlock.c
b/lib/rwsem-spinlock.c
index
03b6097
..
db4fed7
100644
(file)
--- a/
lib/rwsem-spinlock.c
+++ b/
lib/rwsem-spinlock.c
@@
-20,8
+20,16
@@
struct rwsem_waiter {
/*
* initialise the semaphore
*/
/*
* initialise the semaphore
*/
-void fastcall init_rwsem(struct rw_semaphore *sem)
+void __init_rwsem(struct rw_semaphore *sem, const char *name,
+ struct lock_class_key *key)
{
{
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ /*
+ * Make sure we are not reinitializing a held semaphore:
+ */
+ debug_check_no_locks_freed((void *)sem, sizeof(*sem));
+ lockdep_init_map(&sem->dep_map, name, key);
+#endif
sem->activity = 0;
spin_lock_init(&sem->wait_lock);
INIT_LIST_HEAD(&sem->wait_list);
sem->activity = 0;
spin_lock_init(&sem->wait_lock);
INIT_LIST_HEAD(&sem->wait_list);
@@
-183,7
+191,7
@@
int fastcall __down_read_trylock(struct rw_semaphore *sem)
* get a write lock on the semaphore
* - we increment the waiting count anyway to indicate an exclusive lock
*/
* get a write lock on the semaphore
* - we increment the waiting count anyway to indicate an exclusive lock
*/
-void fastcall __sched __down_write
(struct rw_semaphore *sem
)
+void fastcall __sched __down_write
_nested(struct rw_semaphore *sem, int subclass
)
{
struct rwsem_waiter waiter;
struct task_struct *tsk;
{
struct rwsem_waiter waiter;
struct task_struct *tsk;
@@
-223,6
+231,11
@@
void fastcall __sched __down_write(struct rw_semaphore *sem)
;
}
;
}
+void fastcall __sched __down_write(struct rw_semaphore *sem)
+{
+ __down_write_nested(sem, 0);
+}
+
/*
* trylock for writing -- returns 1 if successful, 0 if contention
*/
/*
* trylock for writing -- returns 1 if successful, 0 if contention
*/
@@
-292,9
+305,10
@@
void fastcall __downgrade_write(struct rw_semaphore *sem)
spin_unlock_irqrestore(&sem->wait_lock, flags);
}
spin_unlock_irqrestore(&sem->wait_lock, flags);
}
-EXPORT_SYMBOL(init_rwsem);
+EXPORT_SYMBOL(
__
init_rwsem);
EXPORT_SYMBOL(__down_read);
EXPORT_SYMBOL(__down_read_trylock);
EXPORT_SYMBOL(__down_read);
EXPORT_SYMBOL(__down_read_trylock);
+EXPORT_SYMBOL(__down_write_nested);
EXPORT_SYMBOL(__down_write);
EXPORT_SYMBOL(__down_write_trylock);
EXPORT_SYMBOL(__up_read);
EXPORT_SYMBOL(__down_write);
EXPORT_SYMBOL(__down_write_trylock);
EXPORT_SYMBOL(__up_read);