diff options
| -rw-r--r-- | drivers/acpi/acpica/nspredef.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index 8314e6a9e726..f8427afeebdf 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -193,11 +193,15 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, } /* - * We have a return value, but if one wasn't expected, just exit, this is + * 1) We have a return value, but if one wasn't expected, just exit, this is * not a problem. For example, if the "Implicit Return" feature is * enabled, methods will always return a value. + * + * 2) If the return value can be of any type, then we cannot perform any + * validation, exit. */ - if (!predefined->info.expected_btypes) { + if ((!predefined->info.expected_btypes) || + (predefined->info.expected_btypes == ACPI_RTYPE_ALL)) { goto cleanup; } |