5 files changed, 55 insertions, 35 deletions

diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 8b67a918341e..77fcfc3070db 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -235,16 +235,6 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
                     acpi_ex_system_wait_semaphore(obj_desc->method.semaphore,
                                                   ACPI_WAIT_FOREVER);
         }
-        /*
-         * allocate owner id for this method
-         */
-        if (!obj_desc->method.thread_count) {
-                status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
-                if (ACPI_FAILURE (status)) {
-                        return_ACPI_STATUS (status);
-                }
-        }
- 
 
         /*
          * Increment the method parse tree thread count since it has been
@@ -299,6 +289,11 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
                 return_ACPI_STATUS(AE_NULL_OBJECT);
         }
 
+        status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         /* Init for new method, wait on concurrency semaphore */
 
         status = acpi_ds_begin_method_execution(method_node, obj_desc,
@@ -385,18 +380,22 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
 
         if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
                 status = obj_desc->method.implementation(next_walk_state);
+                return_ACPI_STATUS(status);
         }
-        goto end;
 
-cleanup:
-        /* Decrement the thread count on the method parse tree */
+        return_ACPI_STATUS(AE_OK);
+
+        /* On error, we must delete the new walk state */
+
+      cleanup:
+        acpi_ut_release_owner_id(&obj_desc->method.owner_id);
         if (next_walk_state && (next_walk_state->method_desc)) {
+                /* Decrement the thread count on the method parse tree */
+
                 next_walk_state->method_desc->method.thread_count--;
         }
-        /* On error, we must delete the new walk state */
-        acpi_ds_terminate_control_method (next_walk_state);
-        acpi_ds_delete_walk_state (next_walk_state);
-end:
+        (void)acpi_ds_terminate_control_method(next_walk_state);
+        acpi_ds_delete_walk_state(next_walk_state);
         return_ACPI_STATUS(status);
 }
 
@@ -480,7 +479,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
  *
  * PARAMETERS:  walk_state          - State of the method
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Terminate a control method.  Delete everything that the method
  *              created, delete all locals and arguments, and delete the parse
@@ -488,7 +487,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
  *
  ******************************************************************************/
 
-void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
+acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
 {
         union acpi_operand_object *obj_desc;
         struct acpi_namespace_node *method_node;
@@ -497,14 +496,14 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
         ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state);
 
         if (!walk_state) {
-                return_VOID;
+                return (AE_BAD_PARAMETER);
         }
 
         /* The current method object was saved in the walk state */
 
         obj_desc = walk_state->method_desc;
         if (!obj_desc) {
-                return_VOID;
+                return_ACPI_STATUS(AE_OK);
         }
 
         /* Delete all arguments and locals */
@@ -518,7 +517,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
          */
         status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER);
         if (ACPI_FAILURE(status)) {
-                return_VOID;
+                return_ACPI_STATUS(status);
         }
 
         /* Signal completion of the execution of this method if necessary */
@@ -575,7 +574,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
                  */
                 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
                 if (ACPI_FAILURE(status)) {
-                        goto cleanup;
+                        return_ACPI_STATUS(status);
                 }
 
                 if (method_node->child) {
@@ -593,9 +592,10 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
                                          owner_id);
 
                 if (ACPI_FAILURE(status)) {
-                        goto cleanup;
+                        return_ACPI_STATUS(status);
                 }
         }
-cleanup:
-        acpi_ut_release_mutex (ACPI_MTX_PARSER);
+
+        status = acpi_ut_release_mutex(ACPI_MTX_PARSER);
+        return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 36771309c62f..3248051d77ee 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -438,6 +438,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
 acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 {
         acpi_status status;
+        acpi_status terminate_status;
         struct acpi_thread_state *thread;
         struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list;
         struct acpi_walk_state *previous_walk_state;
@@ -507,9 +508,6 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                                                  walk_state->method_node, NULL,
                                                  status);
 
-                        /* Make sure that failed method will be cleaned as if it was executed */
-                        walk_state->parse_flags |= ACPI_PARSE_EXECUTE;
-                        
                         /* Check for possible multi-thread reentrancy problem */
 
                         if ((status == AE_ALREADY_EXISTS) &&
@@ -526,6 +524,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                         }
                 }
 
+                if (walk_state->method_desc) {
+                        /* Decrement the thread count on the method parse tree */
+
+                        if (walk_state->method_desc->method.thread_count) {
+                                walk_state->method_desc->method.thread_count--;
+                        }
+                }
+
                 /* We are done with this walk, move on to the parent if any */
 
                 walk_state = acpi_ds_pop_walk_state(thread);
@@ -540,10 +546,13 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                  */
                 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
                     ACPI_PARSE_EXECUTE) {
-                        if (walk_state->method_desc) {
-                                walk_state->method_desc->method.thread_count--;
+                        terminate_status =
+                            acpi_ds_terminate_control_method(walk_state);
+                        if (ACPI_FAILURE(terminate_status)) {
+                                ACPI_REPORT_ERROR(("Could not terminate control method properly\n"));
+
+                                /* Ignore error and continue */
                         }
-                        acpi_ds_terminate_control_method (walk_state);
                 }
 
                 /* Delete this walk state and all linked control states */
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index f6904bdf5739..80c67f2d3dd2 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -99,6 +99,16 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
         }
 
         /*
+         * Get a new owner_id for objects created by this method. Namespace
+         * objects (such as Operation Regions) can be created during the
+         * first pass parse.
+         */
+        status = acpi_ut_allocate_owner_id(&info->obj_desc->method.owner_id);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /*
          * The caller "owns" the parameters, so give each one an extra
          * reference
          */
@@ -129,6 +139,9 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
         status = acpi_ps_execute_pass(info);
 
       cleanup:
+        if (info->obj_desc->method.owner_id) {
+                acpi_ut_release_owner_id(&info->obj_desc->method.owner_id);
+        }
 
         /* Take away the extra reference that we gave the parameters above */
 
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index c2f5b2adb5d6..f0275025b718 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -67,8 +67,6 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
 
         ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
 
-        WARN_ON(*owner_id);
-
         /* Mutex for the global ID mask */
 
         status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index c436e8be6ba8..59306186f5e2 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -194,7 +194,7 @@ acpi_status
 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
                                union acpi_operand_object *return_desc);
 
-void
+acpi_status
 acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state);
 
 acpi_status