[POWERPC] Fix sys_pciconfig_iobase bus matching

A stupid bug has been plaguing the sys_pciconfig_iobase on ppc64. It wasn't
noticed until recently as it seems to not affect G5s but it's been causing
problems running X servers on some other machines recently. The bus number
matching was bogus.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 73c59ec4912059d5693f8026a95ff946c4701e9d..01f18c683407ac1cf8d0ec680d086b23dc63e5b9 100644 (file)
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1430,7 +1430,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 
        for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) {
                bus = pci_bus_b(ln);
-               if (in_bus >= bus->number && in_bus < (bus->number + bus->subordinate))
+               if (in_bus >= bus->number && in_bus <= bus->subordinate)
                        break;
                bus = NULL;
        }