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[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>
This commit is contained in:
Scott Murray 2005-06-06 15:48:04 -04:00 committed by Greg Kroah-Hartman
parent 5273a00d9c
commit 03e49d40ea
2 changed files with 6 additions and 1 deletions
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2
drivers/pci/hotplug/cpci_hotplug_core.c
View File

@ -217,6 +217,8 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot->info);
kfree(slot->hotplug_slot->name); kfree(slot->hotplug_slot->name);
kfree(slot->hotplug_slot); kfree(slot->hotplug_slot);
if (slot->dev)
pci_dev_put(slot->dev);
kfree(slot); kfree(slot);
} }

5
drivers/pci/hotplug/cpci_hotplug_pci.c
View File

@ -315,9 +315,12 @@ int cpci_unconfigure_slot(struct slot* slot)
PCI_DEVFN(PCI_SLOT(slot->devfn), i)); PCI_DEVFN(PCI_SLOT(slot->devfn), i));
if (dev) { if (dev) {
pci_remove_bus_device(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__); dbg("%s - exit", __FUNCTION__);
return 0; return 0;
} }