Issuing `ls /dev' after unloading the driver triggered a panic because
of the stale device node.
---
sys/dev/usbmisc/ucom/ucom.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/sys/dev/usbmisc/ucom/ucom.c b/sys/dev/usbmisc/ucom/ucom.c
index f85c3b7..a0a7260 100644
--- a/sys/dev/usbmisc/ucom/ucom.c
+++ b/sys/dev/usbmisc/ucom/ucom.c
@@ -177,7 +177,7 @@ ucom_attach(struct ucom_softc *sc)
DPRINTF(("ucom_attach: make_dev: ucom%d\n", unit));
- dev = make_dev(&ucom_ops, unit | UCOM_CALLOUT_MASK,
+ sc->dev = dev = make_dev(&ucom_ops, unit | UCOM_CALLOUT_MASK,
UID_UUCP, GID_DIALER, 0660,
"ucom%d", unit);
dev->si_tty = tp;
@@ -194,6 +194,7 @@ 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;
--
1.7.0.5
