278 	int ret;  in futex_proxy_trylock_atomic()  local
323 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
325 	if (ret == 1) {  in futex_proxy_trylock_atomic()
333 	} else if (ret < 0) {  in futex_proxy_trylock_atomic()
335 		futex_requeue_pi_complete(top_waiter, ret);  in futex_proxy_trylock_atomic()
347 	return ret;  in futex_proxy_trylock_atomic()
374 	int task_count = 0, ret;  in futex_requeue()  local
433 	ret = get_futex_key(uaddr1, flags1, &key1, FUTEX_READ);  in futex_requeue()
434 	if (unlikely(ret != 0))  in futex_requeue()
435 		return ret;  in futex_requeue()
436 	ret = get_futex_key(uaddr2, flags2, &key2,  in futex_requeue()
438 	if (unlikely(ret != 0))  in futex_requeue()
439 		return ret;  in futex_requeue()
458 		ret = futex_get_value_locked(&curval, uaddr1);  in futex_requeue()
460 		if (unlikely(ret)) {  in futex_requeue()
464 			ret = get_user(curval, uaddr1);  in futex_requeue()
465 			if (ret)  in futex_requeue()
466 				return ret;  in futex_requeue()
474 			ret = -EAGAIN;  in futex_requeue()
490 		ret = futex_proxy_trylock_atomic(uaddr2, hb1, hb2, &key1,  in futex_requeue()
528 		switch (ret) {  in futex_requeue()
539 			ret = 0;  in futex_requeue()
549 			ret = fault_in_user_writeable(uaddr2);  in futex_requeue()
550 			if (!ret)  in futex_requeue()
552 			return ret;  in futex_requeue()
568 			wait_for_owner_exiting(ret, exiting);  in futex_requeue()
593 			ret = -EINVAL;  in futex_requeue()
608 			ret = -EINVAL;  in futex_requeue()
633 		ret = rt_mutex_start_proxy_lock(&pi_state->pi_mutex,  in futex_requeue()
637 		if (ret == 1) {  in futex_requeue()
648 		} else if (!ret) {  in futex_requeue()
663 			futex_requeue_pi_complete(this, ret);  in futex_requeue()
682 	return ret ? ret : task_count;  in futex_requeue()
701 	int ret;  in handle_early_requeue_pi_wakeup()  local
720 	ret = -EWOULDBLOCK;  in handle_early_requeue_pi_wakeup()
722 		ret = -ETIMEDOUT;  in handle_early_requeue_pi_wakeup()
724 		ret = -ERESTARTNOINTR;  in handle_early_requeue_pi_wakeup()
725 	return ret;  in handle_early_requeue_pi_wakeup()
778 	int res, ret;  in futex_wait_requeue_pi()  local
798 	ret = get_futex_key(uaddr2, flags, &key2, FUTEX_WRITE);  in futex_wait_requeue_pi()
799 	if (unlikely(ret != 0))  in futex_wait_requeue_pi()
810 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
811 	if (ret)  in futex_wait_requeue_pi()
820 		ret = -EINVAL;  in futex_wait_requeue_pi()
831 		ret = handle_early_requeue_pi_wakeup(hb, &q, to);  in futex_wait_requeue_pi()
839 			ret = fixup_pi_owner(uaddr2, &q, true);  in futex_wait_requeue_pi()
850 			ret = ret < 0 ? ret : 0;  in futex_wait_requeue_pi()
857 		ret = rt_mutex_wait_proxy_lock(pi_mutex, to, &rt_waiter);  in futex_wait_requeue_pi()
862 		if (ret && !rt_mutex_cleanup_proxy_lock(pi_mutex, &rt_waiter))  in futex_wait_requeue_pi()
863 			ret = 0;  in futex_wait_requeue_pi()
871 		res = fixup_pi_owner(uaddr2, &q, !ret);  in futex_wait_requeue_pi()
877 			ret = (res < 0) ? res : 0;  in futex_wait_requeue_pi()
882 		if (ret == -EINTR) {  in futex_wait_requeue_pi()
891 			ret = -EWOULDBLOCK;  in futex_wait_requeue_pi()
903 	return ret;  in futex_wait_requeue_pi()