[Minor] Do not unref function as it is cleared with lua_State

diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index d720a77ab3bb9565aeb7032c2eaaf0897a80e487..9fe90a20e6b2cc6aac2f7e3f85a303dc347d8c98 100644 (file)
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -906,19 +906,6 @@ rspamd_stat_has_classifier_symbols (struct rspamd_task *task,
        return FALSE;
 }
 
-struct cl_cbref_dtor_data {
-       lua_State *L;
-       gint ref_idx;
-};
-
-static void
-rspamd_stat_cbref_dtor (void *d)
-{
-       struct cl_cbref_dtor_data *data = (struct cl_cbref_dtor_data *)d;
-
-       luaL_unref (data->L, LUA_REGISTRYINDEX, data->ref_idx);
-}
-
 gboolean
 rspamd_stat_check_autolearn (struct rspamd_task *task)
 {
@@ -1069,16 +1056,7 @@ rspamd_stat_check_autolearn (struct rspamd_task *task)
                                                                          "`lua_bayes_learn`");
                                        }
                                        else {
-                                               struct cl_cbref_dtor_data *dtor_data;
-
-                                               dtor_data = (struct cl_cbref_dtor_data *)
-                                                               rspamd_mempool_alloc (task->cfg->cfg_pool,
-                                                                       sizeof (*dtor_data));
                                                cl->autolearn_cbref = luaL_ref (L, LUA_REGISTRYINDEX);
-                                               dtor_data->L = L;
-                                               dtor_data->ref_idx = cl->autolearn_cbref;
-                                               rspamd_mempool_add_destructor (task->cfg->cfg_pool,
-                                                               rspamd_stat_cbref_dtor, dtor_data);
                                        }
                                }