PCI hotplug: fix wrong assumption in acpi_get_hp_params_from_firmware

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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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Kenji Kaneshige 2009-02-17 14:13:20 +09:00 • committed by Jesse Barnes

parent d18690af62

commit 267efd7eec

1 changed files with 6 additions and 11 deletions

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drivers/pci/hotplug/acpi_pcihp.c

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