PCI: release temporary reference in __nv_msi_ht_cap_quirk()

__nv_msi_ht_cap_quirk() acquires a temporary reference via
'pci_get_bus_and_slot()' that is never released.

This patch releases the temporary reference.

Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 51c4a4409e8c..50448c291a8f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2541,15 +2541,18 @@ static void __devinit __nv_msi_ht_cap_quirk(struct pci_dev *dev, int all)
                         else
                                 nv_ht_enable_msi_mapping(dev);
                 }
-                return;
+                goto out;
         }
 
         /* HT MSI is not enabled */
         if (found == 1)
-                return;
+                goto out;
 
         /* Host bridge is not to HT, disable HT MSI mapping on this device */
         ht_disable_msi_mapping(dev);
+
+out:
+        pci_dev_put(host_bridge);
 }
 
 static void __devinit nv_msi_ht_cap_quirk_all(struct pci_dev *dev)