[PATCH] PCI Hotplug: fix CPCI reference counting bug

Here's a patch that fixes up the pci_dev refcounting in the CPCI code.
I've done some testing against it and it seems fine here.

Signed-off-by: Scott Murray <scottm@somanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index c878028ad215..225b5e551dd6 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -315,9 +315,12 @@ int cpci_unconfigure_slot(struct slot* slot)
                                     PCI_DEVFN(PCI_SLOT(slot->devfn), i));
                 if (dev) {
                         pci_remove_bus_device(dev);
-                        slot->dev = NULL;
+                        pci_dev_put(dev);
                 }
         }
+        pci_dev_put(slot->dev);
+        slot->dev = NULL;
+
         dbg("%s - exit", __FUNCTION__);
         return 0;
 }