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-rw-r--r--drivers/acpi/dispatcher/dsmethod.c52
-rw-r--r--drivers/acpi/parser/psparse.c21
-rw-r--r--drivers/acpi/parser/psxface.c13
-rw-r--r--drivers/acpi/utilities/utmisc.c2
4 files changed, 34 insertions, 54 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 77fcfc3070db..8b67a918341e 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -235,6 +235,16 @@ 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
238 248
239 /* 249 /*
240 * Increment the method parse tree thread count since it has been 250 * Increment the method parse tree thread count since it has been
@@ -289,11 +299,6 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
289 return_ACPI_STATUS(AE_NULL_OBJECT); 299 return_ACPI_STATUS(AE_NULL_OBJECT);
290 } 300 }
291 301
292 status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
293 if (ACPI_FAILURE(status)) {
294 return_ACPI_STATUS(status);
295 }
296
297 /* Init for new method, wait on concurrency semaphore */ 302 /* Init for new method, wait on concurrency semaphore */
298 303
299 status = acpi_ds_begin_method_execution(method_node, obj_desc, 304 status = acpi_ds_begin_method_execution(method_node, obj_desc,
@@ -380,22 +385,18 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
380 385
381 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { 386 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
382 status = obj_desc->method.implementation(next_walk_state); 387 status = obj_desc->method.implementation(next_walk_state);
383 return_ACPI_STATUS(status);
384 } 388 }
389 goto end;
385 390
386 return_ACPI_STATUS(AE_OK); 391cleanup:
387 392 /* Decrement the thread count on the method parse tree */
388 /* On error, we must delete the new walk state */
389
390 cleanup:
391 acpi_ut_release_owner_id(&obj_desc->method.owner_id);
392 if (next_walk_state && (next_walk_state->method_desc)) { 393 if (next_walk_state && (next_walk_state->method_desc)) {
393 /* Decrement the thread count on the method parse tree */
394
395 next_walk_state->method_desc->method.thread_count--; 394 next_walk_state->method_desc->method.thread_count--;
396 } 395 }
397 (void)acpi_ds_terminate_control_method(next_walk_state); 396 /* On error, we must delete the new walk state */
398 acpi_ds_delete_walk_state(next_walk_state); 397 acpi_ds_terminate_control_method (next_walk_state);
398 acpi_ds_delete_walk_state (next_walk_state);
399end:
399 return_ACPI_STATUS(status); 400 return_ACPI_STATUS(status);
400} 401}
401 402
@@ -479,7 +480,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
479 * 480 *
480 * PARAMETERS: walk_state - State of the method 481 * PARAMETERS: walk_state - State of the method
481 * 482 *
482 * RETURN: Status 483 * RETURN: None
483 * 484 *
484 * DESCRIPTION: Terminate a control method. Delete everything that the method 485 * DESCRIPTION: Terminate a control method. Delete everything that the method
485 * created, delete all locals and arguments, and delete the parse 486 * created, delete all locals and arguments, and delete the parse
@@ -487,7 +488,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
487 * 488 *
488 ******************************************************************************/ 489 ******************************************************************************/
489 490
490acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) 491void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
491{ 492{
492 union acpi_operand_object *obj_desc; 493 union acpi_operand_object *obj_desc;
493 struct acpi_namespace_node *method_node; 494 struct acpi_namespace_node *method_node;
@@ -496,14 +497,14 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
496 ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); 497 ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state);
497 498
498 if (!walk_state) { 499 if (!walk_state) {
499 return (AE_BAD_PARAMETER); 500 return_VOID;
500 } 501 }
501 502
502 /* The current method object was saved in the walk state */ 503 /* The current method object was saved in the walk state */
503 504
504 obj_desc = walk_state->method_desc; 505 obj_desc = walk_state->method_desc;
505 if (!obj_desc) { 506 if (!obj_desc) {
506 return_ACPI_STATUS(AE_OK); 507 return_VOID;
507 } 508 }
508 509
509 /* Delete all arguments and locals */ 510 /* Delete all arguments and locals */
@@ -517,7 +518,7 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
517 */ 518 */
518 status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); 519 status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER);
519 if (ACPI_FAILURE(status)) { 520 if (ACPI_FAILURE(status)) {
520 return_ACPI_STATUS(status); 521 return_VOID;
521 } 522 }
522 523
523 /* Signal completion of the execution of this method if necessary */ 524 /* Signal completion of the execution of this method if necessary */
@@ -574,7 +575,7 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
574 */ 575 */
575 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 576 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
576 if (ACPI_FAILURE(status)) { 577 if (ACPI_FAILURE(status)) {
577 return_ACPI_STATUS(status); 578 goto cleanup;
578 } 579 }
579 580
580 if (method_node->child) { 581 if (method_node->child) {
@@ -592,10 +593,9 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
592 owner_id); 593 owner_id);
593 594
594 if (ACPI_FAILURE(status)) { 595 if (ACPI_FAILURE(status)) {
595 return_ACPI_STATUS(status); 596 goto cleanup;
596 } 597 }
597 } 598 }
598 599cleanup:
599 status = acpi_ut_release_mutex(ACPI_MTX_PARSER); 600 acpi_ut_release_mutex (ACPI_MTX_PARSER);
600 return_ACPI_STATUS(status);
601} 601}
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 3248051d77ee..36771309c62f 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -438,7 +438,6 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
438acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) 438acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
439{ 439{
440 acpi_status status; 440 acpi_status status;
441 acpi_status terminate_status;
442 struct acpi_thread_state *thread; 441 struct acpi_thread_state *thread;
443 struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list; 442 struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list;
444 struct acpi_walk_state *previous_walk_state; 443 struct acpi_walk_state *previous_walk_state;
@@ -508,6 +507,9 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
508 walk_state->method_node, NULL, 507 walk_state->method_node, NULL,
509 status); 508 status);
510 509
510 /* Make sure that failed method will be cleaned as if it was executed */
511 walk_state->parse_flags |= ACPI_PARSE_EXECUTE;
512
511 /* Check for possible multi-thread reentrancy problem */ 513 /* Check for possible multi-thread reentrancy problem */
512 514
513 if ((status == AE_ALREADY_EXISTS) && 515 if ((status == AE_ALREADY_EXISTS) &&
@@ -524,14 +526,6 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
524 } 526 }
525 } 527 }
526 528
527 if (walk_state->method_desc) {
528 /* Decrement the thread count on the method parse tree */
529
530 if (walk_state->method_desc->method.thread_count) {
531 walk_state->method_desc->method.thread_count--;
532 }
533 }
534
535 /* We are done with this walk, move on to the parent if any */ 529 /* We are done with this walk, move on to the parent if any */
536 530
537 walk_state = acpi_ds_pop_walk_state(thread); 531 walk_state = acpi_ds_pop_walk_state(thread);
@@ -546,13 +540,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
546 */ 540 */
547 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) == 541 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
548 ACPI_PARSE_EXECUTE) { 542 ACPI_PARSE_EXECUTE) {
549 terminate_status = 543 if (walk_state->method_desc) {
550 acpi_ds_terminate_control_method(walk_state); 544 walk_state->method_desc->method.thread_count--;
551 if (ACPI_FAILURE(terminate_status)) {
552 ACPI_REPORT_ERROR(("Could not terminate control method properly\n"));
553
554 /* Ignore error and continue */
555 } 545 }
546 acpi_ds_terminate_control_method (walk_state);
556 } 547 }
557 548
558 /* Delete this walk state and all linked control states */ 549 /* Delete this walk state and all linked control states */
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 80c67f2d3dd2..f6904bdf5739 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -99,16 +99,6 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
99 } 99 }
100 100
101 /* 101 /*
102 * Get a new owner_id for objects created by this method. Namespace
103 * objects (such as Operation Regions) can be created during the
104 * first pass parse.
105 */
106 status = acpi_ut_allocate_owner_id(&info->obj_desc->method.owner_id);
107 if (ACPI_FAILURE(status)) {
108 return_ACPI_STATUS(status);
109 }
110
111 /*
112 * The caller "owns" the parameters, so give each one an extra 102 * The caller "owns" the parameters, so give each one an extra
113 * reference 103 * reference
114 */ 104 */
@@ -139,9 +129,6 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
139 status = acpi_ps_execute_pass(info); 129 status = acpi_ps_execute_pass(info);
140 130
141 cleanup: 131 cleanup:
142 if (info->obj_desc->method.owner_id) {
143 acpi_ut_release_owner_id(&info->obj_desc->method.owner_id);
144 }
145 132
146 /* Take away the extra reference that we gave the parameters above */ 133 /* Take away the extra reference that we gave the parameters above */
147 134
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f0275025b718..c2f5b2adb5d6 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -67,6 +67,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
67 67
68 ACPI_FUNCTION_TRACE("ut_allocate_owner_id"); 68 ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
69 69
70 WARN_ON(*owner_id);
71
70 /* Mutex for the global ID mask */ 72 /* Mutex for the global ID mask */
71 73
72 status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); 74 status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);