static int usie_detach(device_t self) { struct usie_softc *sc = device_get_softc(self); uint8_t x; /* detach ifnet */ if (sc->sc_ifp != NULL) { usie_if_stop(sc); usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); bpfdetach(sc->sc_ifp); if_detach(sc->sc_ifp); if_free(sc->sc_ifp); sc->sc_ifp = NULL; } /* detach ucom */ if (sc->sc_nucom > 0) ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); /* stop all USB transfers */ usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); for (x = 0; x != USIE_UCOM_MAX; x++) usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); device_claim_softc(self); usie_free_softc(sc); return (0); }
static int uhso_detach(device_t self) { struct uhso_softc *sc = device_get_softc(self); int i; usbd_transfer_unsetup(sc->sc_xfer, 3); usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); if (sc->sc_ttys > 0) { ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); for (i = 0; i < sc->sc_ttys; i++) { if (sc->sc_tty[i].ht_muxport != -1) { usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, UHSO_CTRL_MAX); } } free(sc->sc_tty, M_USBDEV); free(sc->sc_ucom, M_USBDEV); } if (sc->sc_ifp != NULL) { callout_drain(&sc->sc_c); free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); mtx_lock(&sc->sc_mtx); uhso_if_stop(sc); bpfdetach(sc->sc_ifp); if_detach(sc->sc_ifp); if_free(sc->sc_ifp); mtx_unlock(&sc->sc_mtx); usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); } device_claim_softc(self); uhso_free_softc(sc); return (0); }