6acb819c04
1) always call fxp_stop in fxp_detach. Since we don't read from the card, there's no need to carefully look at things with bus_child_present. 2) Call FXP_UNLOCK() before calling bus_teardown_intr to avoid a possible deadlock reported by jhb. 3) add gone to the softc. Set it to true in detach. 4) Return immediately if gone is true in fxp_ioctl 5) Return immediately if gone is true in fxp_intr