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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2009-02-17 14:13:20 +0900
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 10:48:00 -0700
commit267efd7eec5eca62f32f8c9bc1721b578d5da963 (patch)
tree3bae75d213470f6b56341b1a6328650299b5784b /Documentation/DMA-ISA-LPC.txt
parentd18690af626b83fef1d1953b9f70e09497060586 (diff)
PCI hotplug: fix wrong assumption in acpi_get_hp_params_from_firmware
Current acpi_get_hp_params_from_firmware() has a 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 acpi_get_hp_params_from_firmware() 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>
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