static int mpic_init_sys(void)
{
+ int rc;
+
register_syscore_ops(&mpic_syscore_ops);
- subsys_system_register(&mpic_subsys, NULL);
+ rc = subsys_system_register(&mpic_subsys, NULL);
+ if (rc) {
+ unregister_syscore_ops(&mpic_syscore_ops);
+ pr_err("mpic: Failed to register subsystem!\n");
+ return rc;
+ }
return 0;
}