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path: root/drivers/acpi/pci_slot.c
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Diffstat (limited to 'drivers/acpi/pci_slot.c')
-rw-r--r--drivers/acpi/pci_slot.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index cd1f4467be7..12158e0d009 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -164,6 +164,8 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
list_add(&slot->list, &slot_list);
mutex_unlock(&slot_list_lock);
+ get_device(&pci_bus->dev);
+
dbg("pci_slot: %p, pci_bus: %x, device: %d, name: %s\n",
pci_slot, pci_bus->number, device, name);
@@ -310,12 +312,15 @@ static void
acpi_pci_slot_remove(acpi_handle handle)
{
struct acpi_pci_slot *slot, *tmp;
+ struct pci_bus *pbus;
mutex_lock(&slot_list_lock);
list_for_each_entry_safe(slot, tmp, &slot_list, list) {
if (slot->root_handle == handle) {
list_del(&slot->list);
+ pbus = slot->pci_slot->bus;
pci_destroy_slot(slot->pci_slot);
+ put_device(&pbus->dev);
kfree(slot);
}
}