A bit more cleaning up.....

plugins/modemmanager.c

@@ -523,10 +523,10 @@ pur_mm_get_modem_state (void)
       mms_error("ModemManagerPlugin(): MM_MODEM_STATE_DISABLED");
       mms_error("ModemManagerPlugin(): Turning on Modem....");
       mm_modem_set_power_state_sync (modem->modem, MM_MODEM_POWER_STATE_ON, NULL, &error);
-      sleep(1);
       if (error != NULL) {
         g_warning ("ModemManagerPlugin(): Error setting power state: %s\n", error->message);
       }
+      sleep(1);
     }
   } else {
     mms_error("ModemManagerPlugin(): MM_MODEM_STATE_ENABLED");