diff options
| author | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2002-05-05 17:16:40 +0000 |
|---|---|---|
| committer | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2002-05-05 17:16:40 +0000 |
| commit | 0436208dcec70de4e056d27f7d20bef957c4968f (patch) | |
| tree | c290426c6ea6b4e05ffd3add5be7394e2f3bf8e7 /sys/dev/wscons/wsdisplay.c | |
| parent | e83997051c103aa7d5596b705118923addaea95e (diff) | |
fix panic triggered by using a 3.0 wsmoused on a 3.1 kernel, by
checking that wsms_dev is not NULL before dereferencing it.
ok jbm@
Diffstat (limited to 'sys/dev/wscons/wsdisplay.c')
| -rw-r--r-- | sys/dev/wscons/wsdisplay.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/wscons/wsdisplay.c b/sys/dev/wscons/wsdisplay.c index 4a137396ad1..f8cc5532367 100644 --- a/sys/dev/wscons/wsdisplay.c +++ b/sys/dev/wscons/wsdisplay.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wsdisplay.c,v 1.44 2002/04/30 23:07:48 mickey Exp $ */ +/* $OpenBSD: wsdisplay.c,v 1.45 2002/05/05 17:16:39 matthieu Exp $ */ /* $NetBSD: wsdisplay.c,v 1.37.4.1 2000/06/30 16:27:53 simonb Exp $ */ /* @@ -3199,8 +3199,10 @@ wsmoused_release(struct wsdisplay_softc *sc) } /* inject event to notify wsmoused(8) to close mouse device */ - wsmouse_input(wsms_dev, 0, 0, 0, 0, - WSMOUSE_INPUT_WSMOUSED_CLOSE); + if (wsms_dev != NULL) + wsmouse_input(wsms_dev, 0, 0, 0, 0, + WSMOUSE_INPUT_WSMOUSED_CLOSE); + } #endif /* NWSMOUSE > 0 */ } |