Merge tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / drivers / acpi / acpica / dsmethod.c

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 47c7b52..2b3210f 100644 (file)
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -724,26 +724,6 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 
                acpi_ds_method_data_delete_all(walk_state);
 
-               /*
-                * If method is serialized, release the mutex and restore the
-                * current sync level for this thread
-                */
-               if (method_desc->method.mutex) {
-
-                       /* Acquisition Depth handles recursive calls */
-
-                       method_desc->method.mutex->mutex.acquisition_depth--;
-                       if (!method_desc->method.mutex->mutex.acquisition_depth) {
-                               walk_state->thread->current_sync_level =
-                                   method_desc->method.mutex->mutex.
-                                   original_sync_level;
-
-                               acpi_os_release_mutex(method_desc->method.
-                                                     mutex->mutex.os_mutex);
-                               method_desc->method.mutex->mutex.thread_id = 0;
-                       }
-               }
-
                /*
                 * Delete any namespace objects created anywhere within the
                 * namespace by the execution of this method. Unless:
@@ -757,8 +737,10 @@ 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
@@ -769,13 +751,35 @@ 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;
                        }
                }
+
+               /*
+                * If method is serialized, release the mutex and restore the
+                * current sync level for this thread
+                */
+               if (method_desc->method.mutex) {
+
+                       /* Acquisition Depth handles recursive calls */
+
+                       method_desc->method.mutex->mutex.acquisition_depth--;
+                       if (!method_desc->method.mutex->mutex.acquisition_depth) {
+                               walk_state->thread->current_sync_level =
+                                   method_desc->method.mutex->mutex.
+                                   original_sync_level;
+
+                               acpi_os_release_mutex(method_desc->method.
+                                                     mutex->mutex.os_mutex);
+                               method_desc->method.mutex->mutex.thread_id = 0;
+                       }
+               }
        }
 
        /* Decrement the thread count on the method */