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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.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index c9d9a6c..1b90813 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -77,7 +77,6 @@ acpi_ds_parse_method (
union acpi_operand_object *obj_desc;
union acpi_parse_object *op;
struct acpi_namespace_node *node;
- acpi_owner_id owner_id;
struct acpi_walk_state *walk_state;
@@ -132,15 +131,18 @@ acpi_ds_parse_method (
* objects (such as Operation Regions) can be created during the
* first pass parse.
*/
- owner_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
- obj_desc->method.owning_id = owner_id;
+ status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+ if (ACPI_FAILURE (status)) {
+ goto cleanup;
+ }
/* Create and initialize a new walk state */
- walk_state = acpi_ds_create_walk_state (owner_id, NULL, NULL, NULL);
+ walk_state = acpi_ds_create_walk_state (
+ obj_desc->method.owner_id, NULL, NULL, NULL);
if (!walk_state) {
status = AE_NO_MEMORY;
- goto cleanup;
+ goto cleanup2;
}
status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -148,7 +150,7 @@ acpi_ds_parse_method (
obj_desc->method.aml_length, NULL, 1);
if (ACPI_FAILURE (status)) {
acpi_ds_delete_walk_state (walk_state);
- goto cleanup;
+ goto cleanup2;
}
/*
@@ -162,13 +164,16 @@ acpi_ds_parse_method (
*/
status = acpi_ps_parse_aml (walk_state);
if (ACPI_FAILURE (status)) {
- goto cleanup;
+ goto cleanup2;
}
ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
"**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
acpi_ut_get_node_name (obj_handle), obj_handle, op));
+cleanup2:
+ (void) acpi_ut_release_owner_id (obj_desc->method.owner_id);
+
cleanup:
acpi_ps_delete_parse_tree (op);
return_ACPI_STATUS (status);
@@ -265,7 +270,7 @@ acpi_ds_call_control_method (
{
acpi_status status;
struct acpi_namespace_node *method_node;
- struct acpi_walk_state *next_walk_state;
+ struct acpi_walk_state *next_walk_state = NULL;
union acpi_operand_object *obj_desc;
struct acpi_parameter_info info;
u32 i;
@@ -289,20 +294,23 @@ acpi_ds_call_control_method (
return_ACPI_STATUS (AE_NULL_OBJECT);
}
- obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+ 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,
this_walk_state->method_node);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto cleanup;
}
if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
/* 1) Parse: Create a new walk state for the preempting walk */
- next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+ next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
op, obj_desc, NULL);
if (!next_walk_state) {
return_ACPI_STATUS (AE_NO_MEMORY);
@@ -332,7 +340,7 @@ acpi_ds_call_control_method (
/* 2) Execute: Create a new state for the preempting walk */
- next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+ next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
NULL, obj_desc, thread);
if (!next_walk_state) {
status = AE_NO_MEMORY;
@@ -383,6 +391,7 @@ acpi_ds_call_control_method (
/* On error, we must delete the new walk state */
cleanup:
+ (void) 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 */
@@ -584,7 +593,7 @@ acpi_ds_terminate_control_method (
* Delete any namespace entries created anywhere else within
* the namespace
*/
- acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owning_id);
+ acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
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