diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/namespace/nsaccess.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index 29c7c271dbb8..35b0e46bd095 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -588,6 +588,10 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, * segments). */ if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) { + if (!this_node->object) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + if (acpi_ns_opens_scope (((struct acpi_namespace_node *)this_node-> object)->type)) { |