diff options
Diffstat (limited to 'drivers/pci/hotplug/cpcihp_generic.c')
| -rw-r--r-- | drivers/pci/hotplug/cpcihp_generic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c index f3852a6b74ea..148fb463b81c 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; |
