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path: root/drivers/pci/hotplug/cpcihp_generic.c
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Diffstat (limited to 'drivers/pci/hotplug/cpcihp_generic.c')
-rw-r--r--drivers/pci/hotplug/cpcihp_generic.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c
index f3852a6b74e..148fb463b81 100644
--- a/drivers/pci/hotplug/cpcihp_generic.c
+++ b/drivers/pci/hotplug/cpcihp_generic.c
@@ -154,12 +154,18 @@ static int __init cpcihp_generic_init(void)
if(!r)
return -EBUSY;
- dev = pci_find_slot(bridge_busnr, PCI_DEVFN(bridge_slot, 0));
+ bus = pci_find_bus(0, bridge_busnr);
+ if (!bus) {
+ err("Invalid bus number %d", bridge_busnr);
+ return -EINVAL;
+ }
+ dev = pci_get_slot(bus, PCI_DEVFN(bridge_slot, 0));
if(!dev || dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
err("Invalid bridge device %s", bridge);
return -EINVAL;
}
bus = dev->subordinate;
+ pci_dev_put(dev);
memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller));
generic_hpc_ops.query_enum = query_enum;