diff options
| author |   gwk <gwk@openbsd.org> | 2007-06-15 22:37:40 +0000 |
|---|---|---|
| committer | gwk <gwk@openbsd.org> | 2007-06-15 22:37:40 +0000 |
| commit | 8e662135335fa8e599c1ba1657df722c396cc3ad (patch) | |
| tree | 08289955b4b1b58f326f2ca2eebf0dc31018802e | |
| parent | don't use static data in recursive functions; from FreeBSD; fixes PR 5509 (diff) | |
| download | wireguard-openbsd-8e662135335fa8e599c1ba1657df722c396cc3ad.tar.xz wireguard-openbsd-8e662135335fa8e599c1ba1657df722c396cc3ad.zip | |
Check that sc_notify actually points to something before attempting to call
it. Fixes marco@'s post c2k7 panics.
ok marco
| -rw-r--r-- | sys/dev/acpi/acpicpu.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/acpi/acpicpu.c b/sys/dev/acpi/acpicpu.c index 8a171529a84..151f1acd775 100644 --- a/sys/dev/acpi/acpicpu.c +++ b/sys/dev/acpi/acpicpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpicpu.c,v 1.25 2007/05/31 17:49:16 gwk Exp $ */ +/* $OpenBSD: acpicpu.c,v 1.26 2007/06/15 22:37:40 gwk Exp $ */ /* * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org> * @@ -510,7 +510,8 @@ acpicpu_notify(struct aml_node *node, int notify_type, void *arg) case 0x80: /* _PPC changed, retrieve new values */ acpicpu_getpct(sc); acpicpu_getpss(sc); - sc->sc_notify(sc->sc_pss, sc->sc_pss_len); + if (sc->sc_notify) + sc->sc_notify(sc->sc_pss, sc->sc_pss_len); break; default: printf("%s: unhandled cpu event %x\n", DEVNAME(sc), |