ACPICA: Interpreter: Update handling for Alias operator

	}

	/* Ensure that the target node is valid */

	if (!target_node) {

		return_ACPI_STATUS(AE_NULL_OBJECT);

	}

	/*

	 * For objects that can never change (i.e., the NS node will

	 * permanently point to the same object), we can simply attach

	 * the object to the new NS node. For other objects (such as

	 * Integers, buffers, etc.), we have to point the Alias node

	 * to the original Node.

	 */

	switch (target_node->type) {

		/* For these types, the sub-object can change dynamically via a Store */

	case ACPI_TYPE_INTEGER:

	case ACPI_TYPE_STRING:

	case ACPI_TYPE_BUFFER:

	case ACPI_TYPE_PACKAGE:

	case ACPI_TYPE_BUFFER_FIELD:

		/*

		 * These types open a new scope, so we need the NS node in order to access

		 * any children.

		 */

	case ACPI_TYPE_DEVICE:

	case ACPI_TYPE_POWER:

	case ACPI_TYPE_PROCESSOR:

	case ACPI_TYPE_THERMAL:

	case ACPI_TYPE_LOCAL_SCOPE:

		/*

		 * The new alias has the type ALIAS and points to the original

		 * NS node, not the object itself.

		 */

		alias_node->type = ACPI_TYPE_LOCAL_ALIAS;

		alias_node->object =

		    ACPI_CAST_PTR(union acpi_operand_object, target_node);

		break;

	/* Construct the alias object (a namespace node) */

	switch (target_node->type) {

	case ACPI_TYPE_METHOD:

		/*

		 * Control method aliases need to be differentiated

		 * Control method aliases need to be differentiated with

		 * a special type

		 */

		alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;

		alias_node->object =

		    ACPI_CAST_PTR(union acpi_operand_object, target_node);

		break;

	default:

		/* Attach the original source object to the new Alias Node */

		/*

		 * The new alias assumes the type of the target, and it points

		 * to the same object. The reference count of the object has an

		 * additional reference to prevent deletion out from under either the

		 * target node or the alias Node

		 * All other object types.

		 *

		 * The new alias has the type ALIAS and points to the original

		 * NS node, not the object itself.

		 */

		status = acpi_ns_attach_object(alias_node,

					       acpi_ns_get_attached_object

					       (target_node),

					       target_node->type);

		alias_node->type = ACPI_TYPE_LOCAL_ALIAS;

		alias_node->object =

		    ACPI_CAST_PTR(union acpi_operand_object, target_node);

		break;

	}

	/* Since both operands are Nodes, we don't need to delete them */

	alias_node->object =

	    ACPI_CAST_PTR(union acpi_operand_object, target_node);

	return_ACPI_STATUS(status);

}