diff --git a/[refs] b/[refs]
index f2f548aa786d..5d3db6f70c81 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d97b4358da9bdaee5789c85415d770e36aebca52
+refs/heads/master: b52437641edf63cee2f2f73a189154989b4a7ff4
diff --git a/trunk/drivers/acpi/executer/exprep.c b/trunk/drivers/acpi/executer/exprep.c
index 3a2f8cd4c62a..5d438c32989d 100644
--- a/trunk/drivers/acpi/executer/exprep.c
+++ b/trunk/drivers/acpi/executer/exprep.c
@@ -503,11 +503,11 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
 		 */
 		second_desc = obj_desc->common.next_object;
 		second_desc->extra.aml_start =
-		    ((union acpi_parse_object *)(info->data_register_node))->
-		    named.data;
+		    ACPI_CAST_PTR(union acpi_parse_object,
+				  info->data_register_node)->named.data;
 		second_desc->extra.aml_length =
-		    ((union acpi_parse_object *)(info->data_register_node))->
-		    named.length;
+		    ACPI_CAST_PTR(union acpi_parse_object,
+				  info->data_register_node)->named.length;
 
 		break;