Now pci_bus->is_added is only used to guard invoking of
pcibios_fixup_bus() in pci_scan_child_bus(), so just set
it directly after the fixups and remove the other test
and set in pci_bus_add_devices().
[bhelgaas: changelog]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
 
        list_for_each_entry(dev, &bus->devices, bus_list) {
                BUG_ON(!dev->is_added);
-
                child = dev->subordinate;
-
-               if (!child)
-                       continue;
-               pci_bus_add_devices(child);
-
-               if (child->is_added)
-                       continue;
-               child->is_added = 1;
+               if (child)
+                       pci_bus_add_devices(child);
        }
 }
 
 
        if (!bus->is_added) {
                dev_dbg(&bus->dev, "fixups for bus\n");
                pcibios_fixup_bus(bus);
-               if (pci_is_root_bus(bus))
-                       bus->is_added = 1;
+               bus->is_added = 1;
        }
 
        for (pass=0; pass < 2; pass++)