1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 3f14009fb662..45e55ff33dbf 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -590,7 +590,7 @@ static int qib_tune_pcie_caps(struct qib_devdata *dd)
 
         /* Find out supported and configured values for parent (root) */
         parent = dd->pcidev->bus->self;
-        if (parent->bus->parent) {
+        if (!pci_is_root_bus(parent->bus)) {
                 qib_devinfo(dd->pcidev, "Parent not root\n");
                 goto bail;
         }