diff options
Diffstat (limited to 'sys/dev/pci/piixpm.c')
| -rw-r--r-- | sys/dev/pci/piixpm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/pci/piixpm.c b/sys/dev/pci/piixpm.c index 9635cc155e5..49956c2fd80 100644 --- a/sys/dev/pci/piixpm.c +++ b/sys/dev/pci/piixpm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: piixpm.c,v 1.24 2006/09/28 18:19:14 grange Exp $ */ +/* $OpenBSD: piixpm.c,v 1.25 2006/12/11 18:16:37 deraadt Exp $ */ /* * Copyright (c) 2005, 2006 Alexander Yurchenko <grange@openbsd.org> @@ -127,7 +127,8 @@ piixpm_attach(struct device *parent, struct device *self, void *aux) /* Map I/O space */ sc->sc_iot = pa->pa_iot; base = pci_conf_read(pa->pa_pc, pa->pa_tag, PIIX_SMB_BASE) & 0xffff; - if (bus_space_map(sc->sc_iot, PCI_MAPREG_IO_ADDR(base), + if (PCI_MAPREG_IO_ADDR(base) == 0 || + bus_space_map(sc->sc_iot, PCI_MAPREG_IO_ADDR(base), PIIX_SMB_SIZE, 0, &sc->sc_ioh)) { printf(": can't map I/O space\n"); return; |