WMI_HP_SENSOR_SIZE
sc->sc_sensor = kmem_alloc(WMI_HP_SENSOR_SIZE, KM_SLEEP);
kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE);
(void)memset(sc->sc_sensor, 0, WMI_HP_SENSOR_SIZE);
kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE);