ACPICA: Fix possible memory leak in Unload() operator

The DdbHandle returned by Load() does not have its reference count
decremented during unload, leading to a memory leak. Lin Ming.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 2a32c843cb4a384a3557d80293cc4abef5a000ee..8892b9824fae7d8acad9c214356df84c528dc9b1 100644 (file)
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -479,5 +479,8 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 
        acpi_tb_set_table_loaded_flag(table_index, FALSE);
 
+       /* Table unloaded, remove a reference to the ddb_handle object */
+
+       acpi_ut_remove_reference(ddb_handle);
        return_ACPI_STATUS(AE_OK);
 }