1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index ae5ec76dca77..2ed3f10d0860 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -375,7 +375,7 @@ static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
          * The string should be the same as root bridge's name
          * Please look at 'pci_scan_bus_parented'
          */
-        num = sscanf(dev->bus_id, "pci%04x:%02x", &seg, &bus);
+        num = sscanf(dev_name(dev), "pci%04x:%02x", &seg, &bus);
         if (num != 2)
                 return -ENODEV;
         *handle = acpi_get_pci_rootbridge_handle(seg, bus);