diff options
Diffstat (limited to 'hw/pci.c')
| -rw-r--r-- | hw/pci.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/hw/pci.c b/hw/pci.c index 040fa767fb..aa677b2dbe 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -239,13 +239,6 @@ int pci_bus_num(PCIBus *s) return s->parent_dev->config[PCI_SECONDARY_BUS]; } -static uint8_t pci_sub_bus(PCIBus *s) -{ - if (!s->parent_dev) - return 255; /* pci host bridge */ - return s->parent_dev->config[PCI_SUBORDINATE_BUS]; -} - static int get_pci_config_device(QEMUFile *f, void *pv, size_t size) { PCIDevice *s = container_of(pv, PCIDevice, config); @@ -1180,7 +1173,10 @@ PCIBus *pci_find_bus(PCIBus *bus, int bus_num) /* try child bus */ QLIST_FOREACH(sec, &bus->child, sibling) { - if (pci_bus_num(sec) <= bus_num && bus_num <= pci_sub_bus(sec)) { + + if (!bus->parent_dev /* pci host bridge */ + || (pci_bus_num(sec) <= bus_num && + bus->parent_dev->config[PCI_SUBORDINATE_BUS])) { return pci_find_bus(sec, bus_num); } } |