1 files changed, 3 insertions, 29 deletions

diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index 0c3b4dd60e8a..b4c87b5053e6 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -397,30 +397,6 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
         status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
                                            extra_desc->extra.aml_length,
                                            extra_desc->extra.aml_start);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Validate the region address/length via the host OS */
-
-        status = acpi_os_validate_address(obj_desc->region.space_id,
-                                          obj_desc->region.address,
-                                          (acpi_size) obj_desc->region.length,
-                                          acpi_ut_get_node_name(node));
-
-        if (ACPI_FAILURE(status)) {
-                /*
-                 * Invalid address/length. We will emit an error message and mark
-                 * the region as invalid, so that it will cause an additional error if
-                 * it is ever used. Then return AE_OK.
-                 */
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "During address validation of OpRegion [%4.4s]",
-                                node->name.ascii));
-                obj_desc->common.flags |= AOPOBJ_INVALID;
-                status = AE_OK;
-        }
-
         return_ACPI_STATUS(status);
 }
 
@@ -484,7 +460,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
 
         /* Host object must be a Buffer */
 
-        if (ACPI_GET_OBJECT_TYPE(buffer_desc) != ACPI_TYPE_BUFFER) {
+        if (buffer_desc->common.type != ACPI_TYPE_BUFFER) {
                 ACPI_ERROR((AE_INFO,
                             "Target of Create Field is not a Buffer object - %s",
                             acpi_ut_get_object_type_name(buffer_desc)));
@@ -1365,10 +1341,8 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
                         if ((ACPI_GET_DESCRIPTOR_TYPE
                              (walk_state->results->results.obj_desc[0]) ==
                              ACPI_DESC_TYPE_OPERAND)
-                            &&
-                            (ACPI_GET_OBJECT_TYPE
-                             (walk_state->results->results.obj_desc[0]) ==
-                             ACPI_TYPE_LOCAL_REFERENCE)
+                            && ((walk_state->results->results.obj_desc[0])->
+                                common.type == ACPI_TYPE_LOCAL_REFERENCE)
                             && ((walk_state->results->results.obj_desc[0])->
                                 reference.class != ACPI_REFCLASS_INDEX)) {
                                 status =