diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2006-12-11 20:57:41 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2006-12-11 20:57:41 +0000 |
| commit | e231741f7089c00bca4d3aa2781dd927a3a39fa7 (patch) | |
| tree | 5f86783cd27ff2c71d47b1c04e493952cd2e3be2 /sys/arch/i386/pci/geodesc.c | |
| parent | 97889fe59edb152e2c04893ee1fe4e395a0adefd (diff) | |
do not bus_space_map devices which are at address 0; ok kettenis
Diffstat (limited to 'sys/arch/i386/pci/geodesc.c')
| -rw-r--r-- | sys/arch/i386/pci/geodesc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/arch/i386/pci/geodesc.c b/sys/arch/i386/pci/geodesc.c index ee839b67b76..128c5caa0fc 100644 --- a/sys/arch/i386/pci/geodesc.c +++ b/sys/arch/i386/pci/geodesc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: geodesc.c,v 1.8 2006/10/18 19:09:14 deraadt Exp $ */ +/* $OpenBSD: geodesc.c,v 1.9 2006/12/11 20:57:40 deraadt Exp $ */ /* * Copyright (c) 2003 Markus Friedl <markus@openbsd.org> @@ -97,7 +97,8 @@ geodesc_attach(struct device *parent, struct device *self, void *aux) reg = pci_conf_read(pa->pa_pc, pa->pa_tag, SC1100_F5_SCRATCHPAD); sc->sc_iot = pa->pa_iot; - if (bus_space_map(sc->sc_iot, reg, 64, 0, &sc->sc_ioh)) { + if (reg == 0 || + bus_space_map(sc->sc_iot, reg, 64, 0, &sc->sc_ioh)) { printf(": unable to map registers at 0x%x\n", reg); return; } |