diff options
Diffstat (limited to 'sys/dev/pci/agp.c')
| -rw-r--r-- | sys/dev/pci/agp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/pci/agp.c b/sys/dev/pci/agp.c index 49bcbef2704..05526203d67 100644 --- a/sys/dev/pci/agp.c +++ b/sys/dev/pci/agp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: agp.c,v 1.16 2008/01/04 00:23:26 kettenis Exp $ */ +/* $OpenBSD: agp.c,v 1.17 2008/03/16 19:00:28 oga Exp $ */ /*- * Copyright (c) 2000 Doug Rabson * All rights reserved. @@ -110,6 +110,11 @@ agp_probe(struct device *parent, void *match, void *aux) struct agpbus_attach_args *aaa = aux; struct pci_attach_args *pa = &aaa->apa_pci_args; + /* pci_args must be a pchb */ + if (PCI_CLASS(pa->pa_class) != PCI_CLASS_BRIDGE || + PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_BRIDGE_HOST) + return (0); + if (agp_lookup(pa) == NULL) return (0); |