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dcaa73dc34
Use pci_is_root_bus() instead of "if (bus->parent)" statement for better readability. Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>