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ACPICA: Dispatcher: Fix a resource leak issue in acpi_ds_auto_serialize_method(). 

ACPICA commit 29d03840cbab435e8ea82e9339ff9d84535c647d

This patch fixes a resource leak issue in acpi_ds_auto_serialize_method().
It is reported by the "Coverity" tool as unsecure code. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/29d03840
Link: https://jira01.devtools.intel.com/browse/LCK-2142
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2015-05-21 10:31:06 +08:00 committed by Rafael J. Wysocki
parent 9ab8cf1b69
commit c8dec7459d
1 changed files with 2 additions and 3 deletions
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5
drivers/acpi/acpica/dsmethod.c
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@ -116,6 +116,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
walk_state =
acpi_ds_create_walk_state(node->owner_id, NULL, NULL, NULL);
if (!walk_state) {
acpi_ps_free_op(op);
return_ACPI_STATUS(AE_NO_MEMORY);
}
@ -125,6 +126,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
obj_desc->method.aml_length, NULL, 0);
if (ACPI_FAILURE(status)) {
acpi_ds_delete_walk_state(walk_state);
acpi_ps_free_op(op);
return_ACPI_STATUS(status);
}
@ -133,9 +135,6 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
/* Parse the method, scan for creation of named objects */
status = acpi_ps_parse_aml(walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
acpi_ps_delete_parse_tree(op);
return_ACPI_STATUS(status);