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>
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@ -451,6 +451,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
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thread = acpi_ut_create_thread_state();
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if (!thread) {
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if (walk_state->method_desc) {
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/* Executing a control method - additional cleanup */
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acpi_ds_terminate_control_method(
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walk_state->method_desc, walk_state);
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}
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acpi_ds_delete_walk_state(walk_state);
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return_ACPI_STATUS(AE_NO_MEMORY);
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}
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