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ACPICA: Fix possible memory leak for module-level code execution

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An object can be leaked for each block of executed module-level
code if the interpreter slack mode is enabled. The change deletes
any implicitly returned object in this case.

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>
This commit is contained in:
Lin Ming 2009-12-11 14:36:47 +08:00 committed by Len Brown
parent b00eb796f1
commit 583061c59f
1 changed files with 6 additions and 0 deletions
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6
drivers/acpi/acpica/nseval.c
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@ -415,6 +415,12 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n",
method_obj->method.aml_start));
/* Delete a possible implicit return value (in slack mode) */
if (info->return_object) {
acpi_ut_remove_reference(info->return_object);
}
/* Detach the temporary method object */
acpi_ns_detach_object(parent_node);