When looking down child bus, it looked parent bridge's bus number. It should look child bridge's.
Cc: Blue Swirl <blauwir...@gmail.com> Cc: "Michael S. Tsirkin" <m...@redhat.com> Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp> --- hw/pci.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/pci.c b/hw/pci.c index 0dbca17..2f6907b 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -1557,9 +1557,9 @@ PCIBus *pci_find_bus(PCIBus *bus, int bus_num) /* try child bus */ QLIST_FOREACH(sec, &bus->child, sibling) { - if (!bus->parent_dev /* pci host bridge */ + if (!sec->parent_dev /* pci host bridge */ || (pci_bus_num(sec) <= bus_num && - bus_num <= bus->parent_dev->config[PCI_SUBORDINATE_BUS]) ) { + bus_num <= sec->parent_dev->config[PCI_SUBORDINATE_BUS]) ) { ret = pci_find_bus(sec, bus_num); if (ret) { return ret; -- 1.6.6.1