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| author |   Lin Ming <ming.m.lin@intel.com> | 2009-12-11 14:36:47 +0800 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2009-12-15 17:29:34 -0500 |
| commit | 583061c59ffea1ea14f6dca735ab0f99238a7a92 (patch) | |
| tree | 4be6118d33ae59f543e2973a1aefdbfac19389b6 /drivers/acpi/acpica | |
| parent | ACPICA: Update version to 20091112. (diff) | |
| download | linux-dev-583061c59ffea1ea14f6dca735ab0f99238a7a92.tar.xz linux-dev-583061c59ffea1ea14f6dca735ab0f99238a7a92.zip | |
ACPICA: Fix possible memory leak for module-level code execution
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>
Diffstat (limited to 'drivers/acpi/acpica')
| -rw-r--r-- | drivers/acpi/acpica/nseval.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index f771e978c403..65e0d1a260ea 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -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); |