diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dsmethod.c')
-rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 8b67a918341..77fcfc3070d 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); } |