PCI: cpci_hotplug: register busn_res

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 42f3a61db87c..111b7d94c9a9 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -294,6 +294,7 @@ int __ref cpci_configure_slot(struct slot *slot)
                         struct pci_bus *child;
                         unsigned char busnr, start = parent->busn_res.start;
                         unsigned char end = parent->busn_res.end;
+                        int max;
 
                         for (busnr = start; busnr <= end; busnr++) {
                                 if (!pci_find_bus(pci_domain_nr(parent),
@@ -312,7 +313,8 @@ int __ref cpci_configure_slot(struct slot *slot)
                                 pci_dev_put(dev);
                                 continue;
                         }
-                        child->busn_res.end = pci_do_scan_bus(child);
+                        max = pci_do_scan_bus(child);
+                        pci_bus_update_busn_res_end(child, max);
                         pci_bus_size_bridges(child);
                 }
                 pci_dev_put(dev);