ACPICA: Fix possible memory leak in dispatcher error path.

On error, delete mutex object created during method mutex creation.
Reported by tim.gardner@canonical.com.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 54c968ab8144071e395cde25f540711bbcf95a0e..4e5873ab4f01dd0cf54ee2c4d012bff26bf1d59e 100644 (file)
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -151,6 +151,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
 
        status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
        if (ACPI_FAILURE(status)) {
+               acpi_ut_delete_object_desc(mutex_desc);
                return_ACPI_STATUS(status);
        }