diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b3b1b9a..4ad6bf6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -343,7 +343,7 @@
 	/* Convert from PCI bus to resource space */
 	bus_region.start = region;
 	bus_region.end = region + size - 1;
-	pcibios_bus_to_resource(dev, res, &bus_region);
+	pcibios_bus_to_resource(dev->bus, res, &bus_region);
 
 	if (!pci_claim_resource(dev, nr))
 		dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name);