rtmutex: Remove unused argument from rt_mutex_proxy_unlock()

Nothing uses the argument. Remove it as preparation to use
pi_state_update_owner().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org

diff --git a/kernel/futex.c b/kernel/futex.c
index 7837f9e561faec0cabb29d4c47f5d95dabb568a1..cfca221c1bc59a12a9754484bdaa6d8bc0f5a3c9 100644 (file)
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -818,7 +818,7 @@ static void put_pi_state(struct futex_pi_state *pi_state)
                        list_del_init(&pi_state->list);
                        raw_spin_unlock(&owner->pi_lock);
                }
-               rt_mutex_proxy_unlock(&pi_state->pi_mutex, owner);
+               rt_mutex_proxy_unlock(&pi_state->pi_mutex);
                raw_spin_unlock_irqrestore(&pi_state->pi_mutex.wait_lock, flags);
        }
 

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index cfdd5b93264d7e17ca120aa3d5fafe139a2c33f9..2f8cd616d3b29aa93498db95e426acd4abbb153b 100644 (file)
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1716,8 +1716,7 @@ void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
  * possible because it belongs to the pi_state which is about to be freed
  * and it is not longer visible to other tasks.
  */
-void rt_mutex_proxy_unlock(struct rt_mutex *lock,
-                          struct task_struct *proxy_owner)
+void rt_mutex_proxy_unlock(struct rt_mutex *lock)
 {
        debug_rt_mutex_proxy_unlock(lock);
        rt_mutex_set_owner(lock, NULL);

diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h
index d1d62f942be2285a7e11588201ac199dc700a805..ca6fb489007b6baced167ea52ccc998179b18eec 100644 (file)
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -133,8 +133,7 @@ enum rtmutex_chainwalk {
 extern struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock);
 extern void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
                                       struct task_struct *proxy_owner);
-extern void rt_mutex_proxy_unlock(struct rt_mutex *lock,
-                                 struct task_struct *proxy_owner);
+extern void rt_mutex_proxy_unlock(struct rt_mutex *lock);
 extern void rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
 extern int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
                                     struct rt_mutex_waiter *waiter,