diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index c0837af..c40b191 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -217,9 +217,10 @@
 
 	/*
 	 * Object must be a valid number and we must be executing
-	 * a control method
+	 * a control method. NS node could be there for AML_INT_NAMEPATH_OP.
 	 */
 	if ((!obj_desc) ||
+	    (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) ||
 	    (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
 		return;
 	}