diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b82c155d7b37..1969a3ee3058 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	struct resource *res;
 	struct pci_dev *pdev;
 	struct pci_sriov *iov = dev->sriov;
+	int bars = 0;
 
 	if (!nr_virtfn)
 		return 0;
@@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 	nres = 0;
 	for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+		bars |= (1 << (i + PCI_IOV_RESOURCES));
 		res = dev->resource + PCI_IOV_RESOURCES + i;
 		if (res->parent)
 			nres++;
@@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 		return -ENOMEM;
 	}
 
+	if (pci_enable_resources(dev, bars)) {
+		dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+		return -ENOMEM;
+	}
+
 	if (iov->link != dev->devfn) {
 		pdev = pci_get_slot(dev->bus, iov->link);
 		if (!pdev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6f45a73c6e9f..4788413f43d7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1126,7 +1126,7 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
 	if (atomic_add_return(1, &dev->enable_cnt) > 1)
 		return 0;		/* already enabled */
 
-	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+	for (i = 0; i < PCI_ROM_RESOURCE; i++)
 		if (dev->resource[i].flags & flags)
 			bars |= (1 << i);