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(parent: 0747aaf) | patch
PCI/ACPI: fix wrong assumption in acpi_find_root_bridge_handle
authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Tue, 17 Feb 2009 05:12:36 +0000 (14:12 +0900)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 20 Mar 2009 17:47:57 +0000 (10:47 -0700)
commitd18690af626b83fef1d1953b9f70e09497060586
treef3d3d851318faded0097a271694e72f39a9d9ea6tree | snapshot
parent0747aaf42d78d26684c6f6b34a4103ff81f571f8commit | diff
PCI/ACPI: fix wrong assumption in acpi_find_root_bridge_handle

Current acpi_find_root_bridge_handle() has a assumption that
pci_bus->self is NULL on the root pci bus. But it might not be true on
some platforms. Because of this wrong assumption, current
acpi_find_root_bridge_handle() 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>
include/linux/pci-acpi.h diff | blob | history
Domain: System / Kernel;