diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/evxfgpe.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 5713da77c665..b84f8e25717a 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -583,6 +583,18 @@ acpi_install_gpe_block(acpi_handle gpe_device, goto unlock_and_exit; } + /* Validate the parent device */ + + if (node->type != ACPI_TYPE_DEVICE) { + status = AE_TYPE; + goto unlock_and_exit; + } + + if (node->object) { + status = AE_ALREADY_EXISTS; + goto unlock_and_exit; + } + /* * For user-installed GPE Block Devices, the gpe_block_base_number * is always zero @@ -666,6 +678,13 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device) goto unlock_and_exit; } + /* Validate the parent device */ + + if (node->type != ACPI_TYPE_DEVICE) { + status = AE_TYPE; + goto unlock_and_exit; + } + /* Get the device_object attached to the node */ obj_desc = acpi_ns_get_attached_object(node); |