ACPICA: Fix possible memory leak on error in parser
Fixes a possible memory leak if an allocation failure happens in
the parse loop. Must terminate an executing control method.
Lin Ming, Bob Moore. ACPICA BZ 489.
http://www.acpica.org/bugzilla/show_bug.cgi?id=489
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 68e932f..dfd3d90 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -451,6 +451,14 @@
thread = acpi_ut_create_thread_state();
if (!thread) {
+ if (walk_state->method_desc) {
+
+ /* Executing a control method - additional cleanup */
+
+ acpi_ds_terminate_control_method(
+ walk_state->method_desc, walk_state);
+ }
+
acpi_ds_delete_walk_state(walk_state);
return_ACPI_STATUS(AE_NO_MEMORY);
}