diff options
Diffstat (limited to 'sys/arch/amd64/pci/pci_machdep.c')
| -rw-r--r-- | sys/arch/amd64/pci/pci_machdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arch/amd64/pci/pci_machdep.c b/sys/arch/amd64/pci/pci_machdep.c index b5452961351..13a3aa85e3c 100644 --- a/sys/arch/amd64/pci/pci_machdep.c +++ b/sys/arch/amd64/pci/pci_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pci_machdep.c,v 1.51 2011/06/18 17:28:18 kettenis Exp $ */ +/* $OpenBSD: pci_machdep.c,v 1.52 2011/10/13 09:44:40 kettenis Exp $ */ /* $NetBSD: pci_machdep.c,v 1.3 2003/05/07 21:33:58 fvdl Exp $ */ /*- @@ -269,6 +269,8 @@ pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) pcireg_t data; int bus; + KASSERT((reg & 0x3) == 0); + if (pci_mcfg_addr && reg >= PCI_CONFIG_SPACE_SIZE) { pci_decompose_tag(pc, tag, &bus, NULL, NULL); if (bus >= pci_mcfg_min_bus && bus <= pci_mcfg_max_bus) { @@ -293,6 +295,8 @@ pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data) { int bus; + KASSERT((reg & 0x3) == 0); + if (pci_mcfg_addr && reg >= PCI_CONFIG_SPACE_SIZE) { pci_decompose_tag(pc, tag, &bus, NULL, NULL); if (bus >= pci_mcfg_min_bus && bus <= pci_mcfg_max_bus) { |