diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 52 | ||||
-rw-r--r-- | drivers/acpi/parser/psparse.c | 21 | ||||
-rw-r--r-- | drivers/acpi/parser/psxface.c | 13 | ||||
-rw-r--r-- | drivers/acpi/utilities/utmisc.c | 2 |
4 files changed, 34 insertions, 54 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 77fcfc3070d..8b67a918341 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, 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 @@ -289,11 +299,6 @@ 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, @@ -380,22 +385,18 @@ 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; - 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); +cleanup: + /* Decrement the thread count on the method parse tree */ 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--; } - (void)acpi_ds_terminate_control_method(next_walk_state); - acpi_ds_delete_walk_state(next_walk_state); + /* 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: return_ACPI_STATUS(status); } @@ -479,7 +480,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * * PARAMETERS: walk_state - State of the method * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Terminate a control method. Delete everything that the method * 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, * ******************************************************************************/ -acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) +void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) { union acpi_operand_object *obj_desc; struct acpi_namespace_node *method_node; @@ -496,14 +497,14 @@ acpi_status 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 (AE_BAD_PARAMETER); + return_VOID; } /* The current method object was saved in the walk state */ obj_desc = walk_state->method_desc; if (!obj_desc) { - return_ACPI_STATUS(AE_OK); + return_VOID; } /* Delete all arguments and locals */ @@ -517,7 +518,7 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) */ status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + return_VOID; } /* 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) */ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } if (method_node->child) { @@ -592,10 +593,9 @@ acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) owner_id); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } } - - status = acpi_ut_release_mutex(ACPI_MTX_PARSER); - return_ACPI_STATUS(status); +cleanup: + acpi_ut_release_mutex (ACPI_MTX_PARSER); } diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index 3248051d77e..36771309c62 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, 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; @@ -508,6 +507,9 @@ 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) && @@ -524,14 +526,6 @@ 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); @@ -546,13 +540,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) */ if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) { - 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 */ + if (walk_state->method_desc) { + walk_state->method_desc->method.thread_count--; } + 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 80c67f2d3dd..f6904bdf573 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) } /* - * 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 */ @@ -139,9 +129,6 @@ 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 f0275025b71..c2f5b2adb5d 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) 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); |