PCI: pci_is_root_bus helper

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Introduce pci_is_root_bus helper function. This will help make code
more consistent, as well as prevent incorrect assumptions (such as
pci_bus->self == NULL on a root bus, which is not always true).

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Kenji Kaneshige 2009-03-20 14:55:55 -06:00 • committed by Jesse Barnes

parent 068258bc15

commit 79af72d716

1 changed files with 9 additions and 0 deletions

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include/linux/pci.h

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