1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 6554e1a0f634..74bbaf82638d 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -47,7 +47,7 @@ static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
         if (!child)
                 return NULL;
 
-        child->subordinate = busnr;
+        pci_bus_insert_busn_res(child, busnr, busnr);
         child->dev.parent = bus->bridge;
         rc = pci_bus_add_child(child);
         if (rc) {
@@ -327,7 +327,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
         iov->offset = offset;
         iov->stride = stride;
 
-        if (virtfn_bus(dev, nr_virtfn - 1) > dev->bus->subordinate) {
+        if (virtfn_bus(dev, nr_virtfn - 1) > dev->bus->busn_res.end) {
                 dev_err(&dev->dev, "SR-IOV: bus number out of range\n");
                 return -ENOMEM;
         }