diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 6 | ||||
| -rw-r--r-- | drivers/pci/pci-acpi.c | 16 |
2 files changed, 8 insertions, 14 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 8bfad0dc29a..a203ba529fe 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -1147,14 +1147,16 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, * Create hotplug slots for the PCI bus. * It should always return 0 to avoid skipping following notifiers. */ -void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) +void acpiphp_enumerate_slots(struct pci_bus *bus) { + acpi_handle handle; struct acpiphp_bridge *bridge; if (acpiphp_disabled) return; - if (detect_ejectable_slots(handle) <= 0) + handle = ACPI_HANDLE(bus->bridge); + if (!handle || detect_ejectable_slots(handle) <= 0) return; bridge = kzalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index dbdc5f7e2b2..c78cc432eda 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -290,24 +290,16 @@ static struct pci_platform_pm_ops acpi_pci_platform_pm = { void acpi_pci_add_bus(struct pci_bus *bus) { - acpi_handle handle = NULL; - - if (bus->bridge) - handle = ACPI_HANDLE(bus->bridge); - if (acpi_pci_disabled || handle == NULL) + if (acpi_pci_disabled || !bus->bridge) return; - acpi_pci_slot_enumerate(bus, handle); - acpiphp_enumerate_slots(bus, handle); + acpi_pci_slot_enumerate(bus); + acpiphp_enumerate_slots(bus); } void acpi_pci_remove_bus(struct pci_bus *bus) { - /* - * bus->bridge->acpi_node.handle has already been reset to NULL - * when acpi_pci_remove_bus() is called, so don't check ACPI handle. - */ - if (acpi_pci_disabled) + if (acpi_pci_disabled || !bus->bridge) return; acpiphp_remove_slots(bus); |