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path: root/drivers/acpi/dispatcher/dsmethod.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dsmethod.c')
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c52
1 files changed, 26 insertions, 26 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,
235 acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, 235 acpi_ex_system_wait_semaphore(obj_desc->method.semaphore,
236 ACPI_WAIT_FOREVER); 236 ACPI_WAIT_FOREVER);
237 } 237 }
238 /*
239 * allocate owner id for this method
240 */
241 if (!obj_desc->method.thread_count) {
242 status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
243 if (ACPI_FAILURE (status)) {
244 return_ACPI_STATUS (status);
245 }
246 }
247
248 238
249 /* 239 /*
250 * Increment the method parse tree thread count since it has been 240 * 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,
299 return_ACPI_STATUS(AE_NULL_OBJECT); 289 return_ACPI_STATUS(AE_NULL_OBJECT);
300 } 290 }
301 291
292 status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
293 if (ACPI_FAILURE(status)) {
294 return_ACPI_STATUS(status);
295 }
296
302 /* Init for new method, wait on concurrency semaphore */ 297 /* Init for new method, wait on concurrency semaphore */
303 298
304 status = acpi_ds_begin_method_execution(method_node, obj_desc, 299 status = acpi_ds_begin_method_execution(method_node, obj_desc,
@@ -385,18 +380,22 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
385 380
386 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { 381 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
387 status = obj_desc->method.implementation(next_walk_state); 382 status = obj_desc->method.implementation(next_walk_state);
383 return_ACPI_STATUS(status);
388 } 384 }
389 goto end;
390 385
391cleanup: 386 return_ACPI_STATUS(AE_OK);
392 /* Decrement the thread count on the method parse tree */ 387
388 /* On error, we must delete the new walk state */
389
390 cleanup:
391 acpi_ut_release_owner_id(&obj_desc->method.owner_id);
393 if (next_walk_state && (next_walk_state->method_desc)) { 392 if (next_walk_state && (next_walk_state->method_desc)) {
393 /* Decrement the thread count on the method parse tree */
394
394 next_walk_state->method_desc->method.thread_count--; 395 next_walk_state->method_desc->method.thread_count--;
395 } 396 }
396 /* On error, we must delete the new walk state */ 397 (void)acpi_ds_terminate_control_method(next_walk_state);
397 acpi_ds_terminate_control_method (next_walk_state); 398 acpi_ds_delete_walk_state(next_walk_state);
398 acpi_ds_delete_walk_state (next_walk_state);
399end:
400 return_ACPI_STATUS(status); 399 return_ACPI_STATUS(status);
401} 400}
402 401
@@ -480,7 +479,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
480 * 479 *
481 * PARAMETERS: walk_state - State of the method 480 * PARAMETERS: walk_state - State of the method
482 * 481 *
483 * RETURN: None 482 * RETURN: Status
484 * 483 *
485 * DESCRIPTION: Terminate a control method. Delete everything that the method 484 * DESCRIPTION: Terminate a control method. Delete everything that the method
486 * created, delete all locals and arguments, and delete the parse 485 * 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,
488 * 487 *
489 ******************************************************************************/ 488 ******************************************************************************/
490 489
491void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) 490acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
492{ 491{
493 union acpi_operand_object *obj_desc; 492 union acpi_operand_object *obj_desc;
494 struct acpi_namespace_node *method_node; 493 struct acpi_namespace_node *method_node;
@@ -497,14 +496,14 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
497 ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); 496 ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state);
498 497
499 if (!walk_state) { 498 if (!walk_state) {
500 return_VOID; 499 return (AE_BAD_PARAMETER);
501 } 500 }
502 501
503 /* The current method object was saved in the walk state */ 502 /* The current method object was saved in the walk state */
504 503
505 obj_desc = walk_state->method_desc; 504 obj_desc = walk_state->method_desc;
506 if (!obj_desc) { 505 if (!obj_desc) {
507 return_VOID; 506 return_ACPI_STATUS(AE_OK);
508 } 507 }
509 508
510 /* Delete all arguments and locals */ 509 /* Delete all arguments and locals */
@@ -518,7 +517,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
518 */ 517 */
519 status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); 518 status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER);
520 if (ACPI_FAILURE(status)) { 519 if (ACPI_FAILURE(status)) {
521 return_VOID; 520 return_ACPI_STATUS(status);
522 } 521 }
523 522
524 /* Signal completion of the execution of this method if necessary */ 523 /* 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)
575 */ 574 */
576 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 575 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
577 if (ACPI_FAILURE(status)) { 576 if (ACPI_FAILURE(status)) {
578 goto cleanup; 577 return_ACPI_STATUS(status);
579 } 578 }
580 579
581 if (method_node->child) { 580 if (method_node->child) {
@@ -593,9 +592,10 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
593 owner_id); 592 owner_id);
594 593
595 if (ACPI_FAILURE(status)) { 594 if (ACPI_FAILURE(status)) {
596 goto cleanup; 595 return_ACPI_STATUS(status);
597 } 596 }
598 } 597 }
599cleanup: 598
600 acpi_ut_release_mutex (ACPI_MTX_PARSER); 599 status = acpi_ut_release_mutex(ACPI_MTX_PARSER);
600 return_ACPI_STATUS(status);
601} 601}