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Diffstat (limited to 'sys/dev/usb/uhci.c')
-rw-r--r--sys/dev/usb/uhci.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c
index 56304a80022..51d37241129 100644
--- a/sys/dev/usb/uhci.c
+++ b/sys/dev/usb/uhci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uhci.c,v 1.43 2006/04/21 07:29:11 jolan Exp $ */
+/* $OpenBSD: uhci.c,v 1.44 2006/05/22 20:35:12 krw Exp $ */
/* $NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $ */
/* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */
@@ -563,8 +563,10 @@ uhci_detach(struct uhci_softc *sc, int flags)
return (rv);
#if defined(__NetBSD__) || defined(__OpenBSD__)
- powerhook_disestablish(sc->sc_powerhook);
- shutdownhook_disestablish(sc->sc_shutdownhook);
+ if (sc->sc_powerhook != NULL)
+ powerhook_disestablish(sc->sc_powerhook);
+ if (sc->sc_shutdownhook != NULL)
+ shutdownhook_disestablish(sc->sc_shutdownhook);
#endif
/* Free all xfers associated with this HC. */