62 	int ret;  in __test_mutex()  local
81 		ret = 0;  in __test_mutex()
84 				ret = -EINVAL;  in __test_mutex()
90 		ret = wait_for_completion_timeout(&mtx.done, TIMEOUT);  in __test_mutex()
95 	if (ret) {  in __test_mutex()
98 		ret = -EINVAL;  in __test_mutex()
103 	return ret;  in __test_mutex()
109 	int ret;  in test_mutex()  local
113 		ret = __test_mutex(i);  in test_mutex()
114 		if (ret)  in test_mutex()
115 			return ret;  in test_mutex()
125 	int ret;  in test_aa()  local
132 		ret = ww_mutex_lock(&mutex, &ctx);  in test_aa()
133 		if (ret) {  in test_aa()
138 		ret = !ww_mutex_trylock(&mutex, &ctx);  in test_aa()
139 		if (ret) {  in test_aa()
148 		ret = -EINVAL;  in test_aa()
155 		ret = -EINVAL;  in test_aa()
159 	ret = ww_mutex_lock(&mutex, &ctx);  in test_aa()
160 	if (ret != -EALREADY) {  in test_aa()
162 		       __func__, ret, from);  in test_aa()
163 		if (!ret)  in test_aa()
165 		ret = -EINVAL;  in test_aa()
170 	ret = 0;  in test_aa()
173 	return ret;  in test_aa()
222 	int err, ret;  in test_abba()  local
260 	ret = 0;  in test_abba()
265 			ret = -EINVAL;  in test_abba()
271 			ret = -EINVAL;  in test_abba()
274 	return ret;  in test_abba()
319 	int ret;  in __test_cycle()  local
349 	ret = 0;  in __test_cycle()
358 		ret = -EINVAL;  in __test_cycle()
365 	return ret;  in __test_cycle()
371 	int ret;  in test_cycle()  local
374 		ret = __test_cycle(n);  in test_cycle()
375 		if (ret)  in test_cycle()
376 			return ret;  in test_cycle()
394 	u32 ret;  in prandom_u32_below()  local
397 	ret = prandom_u32_state(&rng) % ceil;  in prandom_u32_below()
399 	return ret;  in prandom_u32_below()
641 	int ret, i;  in run_tests()  local
645 	ret = test_mutex();  in run_tests()
646 	if (ret)  in run_tests()
647 		return ret;  in run_tests()
649 	ret = test_aa(false);  in run_tests()
650 	if (ret)  in run_tests()
651 		return ret;  in run_tests()
653 	ret = test_aa(true);  in run_tests()
654 	if (ret)  in run_tests()
655 		return ret;  in run_tests()
658 		ret = test_abba(i & 1, i & 2);  in run_tests()
659 		if (ret)  in run_tests()
660 			return ret;  in run_tests()
663 	ret = test_cycle(ncpus);  in run_tests()
664 	if (ret)  in run_tests()
665 		return ret;  in run_tests()
667 	ret = stress(16, 2*ncpus, STRESS_INORDER);  in run_tests()
668 	if (ret)  in run_tests()
669 		return ret;  in run_tests()
671 	ret = stress(16, 2*ncpus, STRESS_REORDER);  in run_tests()
672 	if (ret)  in run_tests()
673 		return ret;  in run_tests()
675 	ret = stress(2047, hweight32(STRESS_ALL)*ncpus, STRESS_ALL);  in run_tests()
676 	if (ret)  in run_tests()
677 		return ret;  in run_tests()
713 	int ret;  in test_ww_mutex_init()  local
728 	ret = sysfs_create_group(test_ww_mutex_kobj, &attr_group);  in test_ww_mutex_init()
729 	if (ret) {  in test_ww_mutex_init()
732 		return ret;  in test_ww_mutex_init()
736 	ret = run_tests();  in test_ww_mutex_init()
739 	return ret;  in test_ww_mutex_init()