ACPICA: Add argument count checking to control method invocation via acpi_evaluate_object

Error if too few arguments, warning if too many. This applies
only to external programmatic control method execution, not
method-to-method calls within the AML.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index a907c67d651e..1cc74504f1c4 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -189,6 +189,7 @@ struct acpi_evaluate_info {
         union acpi_operand_object **parameters;
         struct acpi_namespace_node *resolved_node;
         union acpi_operand_object *return_object;
+        u8 param_count;
         u8 pass_number;
         u8 parameter_type;
         u8 return_object_type;