2949 	int firsterr = 0;  in rcu_torture_init()  local
2974 		firsterr = -EINVAL;  in rcu_torture_init()
3038 	firsterr = torture_create_kthread(rcu_torture_writer, NULL,  in rcu_torture_init()
3040 	if (firsterr)  in rcu_torture_init()
3048 			firsterr = -ENOMEM;  in rcu_torture_init()
3053 		firsterr = torture_create_kthread(rcu_torture_fakewriter,  in rcu_torture_init()
3055 		if (firsterr)  in rcu_torture_init()
3064 		firsterr = -ENOMEM;  in rcu_torture_init()
3069 		firsterr = torture_create_kthread(rcu_torture_reader, (void *)i,  in rcu_torture_init()
3071 		if (firsterr)  in rcu_torture_init()
3083 			firsterr = -ENOMEM;  in rcu_torture_init()
3090 		firsterr = torture_create_kthread(rcu_nocb_toggle, NULL, nocb_tasks[i]);  in rcu_torture_init()
3091 		if (firsterr)  in rcu_torture_init()
3095 		firsterr = torture_create_kthread(rcu_torture_stats, NULL,  in rcu_torture_init()
3097 		if (firsterr)  in rcu_torture_init()
3101 		firsterr = torture_shuffle_init(shuffle_interval * HZ);  in rcu_torture_init()
3102 		if (firsterr)  in rcu_torture_init()
3111 		firsterr = torture_stutter_init(stutter * HZ, t);  in rcu_torture_init()
3112 		if (firsterr)  in rcu_torture_init()
3119 		firsterr = torture_create_kthread(rcu_torture_fqs, NULL,  in rcu_torture_init()
3121 		if (firsterr)  in rcu_torture_init()
3132 		firsterr = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "RCU_TORTURE",  in rcu_torture_init()
3135 		if (firsterr < 0)  in rcu_torture_init()
3137 		rcutor_hp = firsterr;  in rcu_torture_init()
3155 	firsterr = torture_shutdown_init(shutdown_secs, rcu_torture_cleanup);  in rcu_torture_init()
3156 	if (firsterr)  in rcu_torture_init()
3158 	firsterr = torture_onoff_init(onoff_holdoff * HZ, onoff_interval,  in rcu_torture_init()
3160 	if (firsterr)  in rcu_torture_init()
3162 	firsterr = rcu_torture_stall_init();  in rcu_torture_init()
3163 	if (firsterr)  in rcu_torture_init()
3165 	firsterr = rcu_torture_fwd_prog_init();  in rcu_torture_init()
3166 	if (firsterr)  in rcu_torture_init()
3168 	firsterr = rcu_torture_barrier_init();  in rcu_torture_init()
3169 	if (firsterr)  in rcu_torture_init()
3171 	firsterr = rcu_torture_read_exit_init();  in rcu_torture_init()
3172 	if (firsterr)  in rcu_torture_init()
3186 	return firsterr;  in rcu_torture_init()