diff --git a/[refs] b/[refs]
index e10fceee615d..057e48cb137b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5e152e6c4b0da84c66cad56597b42c4ecedb0448
+refs/heads/master: 780dbcd0eedec6528d777b668019dabb36badf1a
diff --git a/trunk/drivers/xen/pci.c b/trunk/drivers/xen/pci.c
index b84bf0b6cc34..18fff88254eb 100644
--- a/trunk/drivers/xen/pci.c
+++ b/trunk/drivers/xen/pci.c
@@ -59,7 +59,7 @@ static int xen_add_device(struct device *dev)
 
 #ifdef CONFIG_ACPI
 		handle = DEVICE_ACPI_HANDLE(&pci_dev->dev);
-		if (!handle)
+		if (!handle && pci_dev->bus->bridge)
 			handle = DEVICE_ACPI_HANDLE(pci_dev->bus->bridge);
 #ifdef CONFIG_PCI_IOV
 		if (!handle && pci_dev->is_virtfn)