diff options
Diffstat (limited to 'drivers/acpi/acpica/dsmethod.c')
| -rw-r--r-- | drivers/acpi/acpica/dsmethod.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 47c7b52a519c..32e9ddc0cf2b 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -99,11 +99,14 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node, "Method auto-serialization parse [%4.4s] %p\n", acpi_ut_get_node_name(node), node)); + acpi_ex_enter_interpreter(); + /* Create/Init a root op for the method parse tree */ op = acpi_ps_alloc_op(AML_METHOD_OP, obj_desc->method.aml_start); if (!op) { - return_ACPI_STATUS(AE_NO_MEMORY); + status = AE_NO_MEMORY; + goto unlock; } acpi_ps_set_name(op, node->name.integer); @@ -115,7 +118,8 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node, acpi_ds_create_walk_state(node->owner_id, NULL, NULL, NULL); if (!walk_state) { acpi_ps_free_op(op); - return_ACPI_STATUS(AE_NO_MEMORY); + status = AE_NO_MEMORY; + goto unlock; } status = acpi_ds_init_aml_walk(walk_state, op, node, @@ -134,6 +138,8 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node, status = acpi_ps_parse_aml(walk_state); acpi_ps_delete_parse_tree(op); +unlock: + acpi_ex_exit_interpreter(); return_ACPI_STATUS(status); } @@ -757,8 +763,10 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, /* Delete any direct children of (created by) this method */ + (void)acpi_ex_exit_interpreter(); acpi_ns_delete_namespace_subtree(walk_state-> method_node); + (void)acpi_ex_enter_interpreter(); /* * Delete any objects that were created by this method @@ -769,9 +777,11 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, */ if (method_desc->method. info_flags & ACPI_METHOD_MODIFIED_NAMESPACE) { + (void)acpi_ex_exit_interpreter(); acpi_ns_delete_namespace_by_owner(method_desc-> method. owner_id); + (void)acpi_ex_enter_interpreter(); method_desc->method.info_flags &= ~ACPI_METHOD_MODIFIED_NAMESPACE; } |