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Call destroy_dev in detach routine to cleanup properly otherwise we

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panic because of a repeat make_dev if/when the device is reattached
to the system.

Remove an "#if __FreeBSD__" in code that's nested under a "#if __NetBSD__"
(*sigh*)

Reported by: Seth Hettich <sjh@whiskey.ucf.ics.uci.edu>
Tested by: Seth Hettich <sjh@whiskey.ucf.ics.uci.edu>
This commit is contained in:
Alfred Perlstein 2002-06-01 06:23:47 +00:00
parent d508dd347c
commit fa900b3699
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97698
1 changed files with 8 additions and 3 deletions
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11
sys/dev/usb/urio.c
View file

@ -158,6 +158,9 @@ struct urio_softc {
int sc_epaddr[2];
int sc_refcnt;
#if defined(__FreeBSD__)
dev_t sc_dev_t;
#endif /* defined(__FreeBSD__) */
#if defined(__NetBSD__) || defined(__OpenBSD__)
u_char sc_dying;
#endif
@ -272,7 +275,7 @@ USB_ATTACH(urio)
#if defined(__FreeBSD__)
#if (__FreeBSD__ >= 4)
/* XXX no error trapping, no storing of dev_t */
(void) make_dev(&urio_cdevsw, device_get_unit(self),
sc->sc_dev_t = make_dev(&urio_cdevsw, device_get_unit(self),
UID_ROOT, GID_OPERATOR,
0644, "urio%d", device_get_unit(self));
#endif
@ -672,8 +675,6 @@ USB_DETACH(urio)
/* Nuke the vnodes for any open instances (calls close). */
mn = self->dv_unit * USB_MAX_ENDPOINTS;
vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
#elif defined(__FreeBSD__)
/* XXX not implemented yet */
#endif
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
@ -687,7 +688,11 @@ USB_DETACH(urio)
Static int
urio_detach(device_t self)
{
struct urio_softc *sc = device_get_softc(self);
DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
destroy_dev(sc->sc_dev_t);
/* XXX not implemented yet */
device_set_desc(self, NULL);
return 0;
}