diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 53139158010d..d28d194d580c 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -270,7 +270,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev,
 	struct zpci_dev *zdev =	to_zpci(pdev);
 	int idx;
 
-	if ((bar & 7) != bar)
+	if (!pci_resource_len(pdev, bar))
 		return NULL;
 
 	idx = zdev->bars[bar].map_idx;