diff mbox series

[07/10] rtmutex: Remove unused argument from rt_mutex_proxy_unlock()

Message ID 20210204172903.2860981-8-lee.jones@linaro.org
State New
Headers show
Series Futex back-port | expand

Commit Message

Lee Jones Feb. 4, 2021, 5:29 p.m. UTC 
From: Thomas Gleixner <tglx@linutronix.de>


[ Upstream commit 2156ac1934166d6deb6cd0f6ffc4c1076ec63697 ]
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
Signed-off-by: Lee Jones <lee.jones@linaro.org>

---
 kernel/futex.c                  | 2 +-
 kernel/locking/rtmutex.c        | 3 +--
 kernel/locking/rtmutex_common.h | 3 +--
 3 files changed, 3 insertions(+), 5 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/kernel/futex.c b/kernel/futex.c
index 1390ffa874a6b..bf40921ef1200 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -878,7 +878,7 @@  static void free_pi_state(struct futex_pi_state *pi_state)
 		list_del_init(&pi_state->list);
 		raw_spin_unlock_irq(&pi_state->owner->pi_lock);
 
-		rt_mutex_proxy_unlock(&pi_state->pi_mutex, pi_state->owner);
+		rt_mutex_proxy_unlock(&pi_state->pi_mutex);
 	}
 
 	if (current->pi_state_cache)
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 45d3c9aec8533..1c0cb5c3c6ad6 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1662,8 +1662,7 @@  void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
  * No locking. Caller has to do serializing itself
  * Special API call for PI-futex support
  */
-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 ea7310b9ce83a..4584db96265d4 100644
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -101,8 +101,7 @@  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 int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
 				     struct rt_mutex_waiter *waiter,
 				     struct task_struct *task);