diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 62dd363a9762..e751506323b4 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -336,7 +336,8 @@ static void __devinit __of_scan_bus(struct device_node *node,
 		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
 		    dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
 			struct device_node *child = pci_device_to_OF_node(dev);
-			of_scan_pci_bridge(child, dev);
+			if (child)
+				of_scan_pci_bridge(child, dev);
 		}
 	}
 }