int
 visorbus_init(void)
 {
-       int rc = 0;
+       int err;
 
-       POSTCODE_LINUX_3(DRIVER_ENTRY_PC, rc, POSTCODE_SEVERITY_INFO);
+       POSTCODE_LINUX_3(DRIVER_ENTRY_PC, 0, POSTCODE_SEVERITY_INFO);
        bus_device_info_init(&clientbus_driverinfo,
                             "clientbus", "visorbus",
                             VERSION, NULL);
 
-       rc = create_bus_type();
-       if (rc < 0) {
+       err = create_bus_type();
+       if (err < 0) {
                POSTCODE_LINUX_2(BUS_CREATE_ENTRY_PC, DIAG_SEVERITY_ERR);
-               goto away;
+               goto error;
        }
 
        periodic_dev_workqueue = create_singlethread_workqueue("visorbus_dev");
        if (!periodic_dev_workqueue) {
                POSTCODE_LINUX_2(CREATE_WORKQUEUE_PC, DIAG_SEVERITY_ERR);
-               rc = -ENOMEM;
-               goto away;
+               err = -ENOMEM;
+               goto error;
        }
 
        /* This enables us to receive notifications when devices appear for
                                     &chipset_responders,
                                     &chipset_driverinfo);
 
-       rc = 0;
+       return 0;
 
-away:
-       if (rc)
-               POSTCODE_LINUX_3(CHIPSET_INIT_FAILURE_PC, rc,
-                                POSTCODE_SEVERITY_ERR);
-       return rc;
+error:
+       POSTCODE_LINUX_3(CHIPSET_INIT_FAILURE_PC, err, POSTCODE_SEVERITY_ERR);
+       return err;
 }
 
 void