274 	int ret;  in futex_proxy_trylock_atomic()  local
319 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
321 	if (ret == 1) {  in futex_proxy_trylock_atomic()
329 	} else if (ret < 0) {  in futex_proxy_trylock_atomic()
331 		futex_requeue_pi_complete(top_waiter, ret);  in futex_proxy_trylock_atomic()
343 	return ret;  in futex_proxy_trylock_atomic()
368 	int task_count = 0, ret;  in futex_requeue()  local
427 	ret = get_futex_key(uaddr1, flags & FLAGS_SHARED, &key1, FUTEX_READ);  in futex_requeue()
428 	if (unlikely(ret != 0))  in futex_requeue()
429 		return ret;  in futex_requeue()
430 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2,  in futex_requeue()
432 	if (unlikely(ret != 0))  in futex_requeue()
433 		return ret;  in futex_requeue()
452 		ret = futex_get_value_locked(&curval, uaddr1);  in futex_requeue()
454 		if (unlikely(ret)) {  in futex_requeue()
458 			ret = get_user(curval, uaddr1);  in futex_requeue()
459 			if (ret)  in futex_requeue()
460 				return ret;  in futex_requeue()
468 			ret = -EAGAIN;  in futex_requeue()
484 		ret = futex_proxy_trylock_atomic(uaddr2, hb1, hb2, &key1,  in futex_requeue()
522 		switch (ret) {  in futex_requeue()
533 			ret = 0;  in futex_requeue()
543 			ret = fault_in_user_writeable(uaddr2);  in futex_requeue()
544 			if (!ret)  in futex_requeue()
546 			return ret;  in futex_requeue()
562 			wait_for_owner_exiting(ret, exiting);  in futex_requeue()
587 			ret = -EINVAL;  in futex_requeue()
602 			ret = -EINVAL;  in futex_requeue()
627 		ret = rt_mutex_start_proxy_lock(&pi_state->pi_mutex,  in futex_requeue()
631 		if (ret == 1) {  in futex_requeue()
642 		} else if (!ret) {  in futex_requeue()
657 			futex_requeue_pi_complete(this, ret);  in futex_requeue()
676 	return ret ? ret : task_count;  in futex_requeue()
695 	int ret;  in handle_early_requeue_pi_wakeup()  local
714 	ret = -EWOULDBLOCK;  in handle_early_requeue_pi_wakeup()
716 		ret = -ETIMEDOUT;  in handle_early_requeue_pi_wakeup()
718 		ret = -ERESTARTNOINTR;  in handle_early_requeue_pi_wakeup()
719 	return ret;  in handle_early_requeue_pi_wakeup()
772 	int res, ret;  in futex_wait_requeue_pi()  local
792 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, FUTEX_WRITE);  in futex_wait_requeue_pi()
793 	if (unlikely(ret != 0))  in futex_wait_requeue_pi()
804 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
805 	if (ret)  in futex_wait_requeue_pi()
814 		ret = -EINVAL;  in futex_wait_requeue_pi()
825 		ret = handle_early_requeue_pi_wakeup(hb, &q, to);  in futex_wait_requeue_pi()
833 			ret = fixup_pi_owner(uaddr2, &q, true);  in futex_wait_requeue_pi()
844 			ret = ret < 0 ? ret : 0;  in futex_wait_requeue_pi()
851 		ret = rt_mutex_wait_proxy_lock(pi_mutex, to, &rt_waiter);  in futex_wait_requeue_pi()
855 		if (ret && !rt_mutex_cleanup_proxy_lock(pi_mutex, &rt_waiter))  in futex_wait_requeue_pi()
856 			ret = 0;  in futex_wait_requeue_pi()
863 		res = fixup_pi_owner(uaddr2, &q, !ret);  in futex_wait_requeue_pi()
869 			ret = (res < 0) ? res : 0;  in futex_wait_requeue_pi()
874 		if (ret == -EINTR) {  in futex_wait_requeue_pi()
883 			ret = -EWOULDBLOCK;  in futex_wait_requeue_pi()
895 	return ret;  in futex_wait_requeue_pi()