PCI: fix wrong assumption in pci_find_upstream_pcie_bridge
authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Tue, 17 Feb 2009 05:14:36 +0000 (14:14 +0900)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 20 Mar 2009 17:48:03 +0000 (10:48 -0700)
commit151ab36a2ea0b3181d103f7244636e0d16e685de
treee048af45809c7178a574a077409eb4009596595b
parentd391f00f0e7fb6d883c6724b31a1799e19a584c5
PCI: fix wrong assumption in pci_find_upstream_pcie_bridge

Current pci_find_upstream_pcie_bridge() has a wrong assumption that
pci_bus->self is NULL on the root pci bus. But it might not true on
some platforms. Because of this wrong assumption, current
pci_find_upstream_pcie_bridge() might cause endless loop. We must
check pci_bus->parent instead.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/pci/search.c