ucom - destroy device node on detach

Issuing `ls /dev' after unloading the driver triggered a panic because
of the stale device node.

diff --git a/sys/dev/usbmisc/ucom/ucom.c b/sys/dev/usbmisc/ucom/ucom.c
index f85c3b7..66ccc53 100644 (file)
--- a/sys/dev/usbmisc/ucom/ucom.c
+++ b/sys/dev/usbmisc/ucom/ucom.c
@@ -181,6 +181,7 @@ ucom_attach(struct ucom_softc *sc)
                        UID_UUCP, GID_DIALER, 0660,
                        "ucom%d", unit);
        dev->si_tty = tp;
+       sc->dev = dev;
        lwkt_reltoken(&tty_token);
 
        return (0);
@@ -194,6 +195,7 @@ ucom_detach(struct ucom_softc *sc)
 
        DPRINTF(("ucom_detach: sc = %p, tp = %p\n", sc, sc->sc_tty));
 
+       destroy_dev(sc->dev);
        lwkt_gettoken(&tty_token);
        sc->sc_dying = 1;