From patchwork Fri Apr 9 10:13:24 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: pci: fix pci_find_bus(). Date: Fri, 09 Apr 2010 00:13:24 -0000 From: Isaku Yamahata X-Patchwork-Id: 49816 Message-Id: <20100409101324.GC14603@valinux.co.jp> To: qemu-devel@nongnu.org Cc: Blue Swirl , "Michael S. Tsirkin" When looking down child bus, it looked parent bridge's bus number. It should look child bridge's. Cc: Blue Swirl Cc: "Michael S. Tsirkin" Signed-off-by: Isaku Yamahata --- 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;