[Qemu-devel] [PATCH] pci: fix pci_find_bus().

[Isaku Yamahata <yamahata@valinux.co.jp>]

When looking down child bus, it looked parent bridge's
bus number.
It should look child bridge's.

Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@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