diff --git a/drivers/pci/ide.c b/drivers/pci/ide.c
index 280941b05969..fcceb518c64e 100644
--- a/drivers/pci/ide.c
+++ b/drivers/pci/ide.c
@@ -282,8 +282,8 @@ struct pci_ide *pci_ide_stream_alloc(struct pci_dev *pdev)
 	/* for SR-IOV case, cover all VFs */
 	num_vf = pci_num_vf(pdev);
 	if (num_vf)
-		rid_end = PCI_DEVID(pci_iov_virtfn_bus(pdev, num_vf),
-				    pci_iov_virtfn_devfn(pdev, num_vf));
+		rid_end = PCI_DEVID(pci_iov_virtfn_bus(pdev, num_vf - 1),
+				    pci_iov_virtfn_devfn(pdev, num_vf - 1));
 	else
 		rid_end = pci_dev_id(pdev);
 
diff --git a/include/linux/pci-ide.h b/include/linux/pci-ide.h
index 5d4d56ed088d..ae07d9f699c0 100644
--- a/include/linux/pci-ide.h
+++ b/include/linux/pci-ide.h
@@ -26,7 +26,7 @@ enum pci_ide_partner_select {
 /**
  * struct pci_ide_partner - Per port pair Selective IDE Stream settings
  * @rid_start: Partner Port Requester ID range start
- * @rid_end: Partner Port Requester ID range end
+ * @rid_end: Partner Port Requester ID range end (inclusive)
  * @stream_index: Selective IDE Stream Register Block selection
  * @mem_assoc: PCI bus memory address association for targeting peer partner
  * @pref_assoc: PCI bus prefetchable memory address association for