diff options
| -rw-r--r-- | drivers/pci/hotplug/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/pci/hotplug/cpcihp_generic.c | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index 2cdd8326f13..17fb3d6b7c7 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -119,7 +119,7 @@ config HOTPLUG_PCI_CPCI_ZT5550 config HOTPLUG_PCI_CPCI_GENERIC tristate "Generic port I/O CompactPCI Hotplug driver" - depends on HOTPLUG_PCI_CPCI && X86 && PCI_LEGACY + depends on HOTPLUG_PCI_CPCI && X86 help Say Y here if you have a CompactPCI system card that exposes the #ENUM hotswap signal as a bit in a system register that can be read through 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; |