[Minor] Fix number of arguments to invoke a lua function

diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index 4e856b563194f27b2f00d3eb2b591908098bb97b..13083986f210a4cf036bf056b9e85a23b68bdf0d 100644 (file)
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -201,6 +201,7 @@ rspamd_stat_classifier_is_skipped (struct rspamd_task *task,
        while (cur) {
                gint cb_ref = GPOINTER_TO_INT (cur->data);
                gint old_top = lua_gettop (L);
+               gint nargs;
 
                lua_rawgeti (L, LUA_REGISTRYINDEX, cb_ref);
                /* Push task and two booleans: is_spam and is_unlearn */
@@ -212,9 +213,13 @@ rspamd_stat_classifier_is_skipped (struct rspamd_task *task,
                        lua_pushboolean(L, is_spam);
                        lua_pushboolean(L,
                                        task->flags & RSPAMD_TASK_FLAG_UNLEARN ? true : false);
+                       nargs = 3;
+               }
+               else {
+                       nargs = 1;
                }
 
-               if (lua_pcall (L, 3, LUA_MULTRET, 0) != 0) {
+               if (lua_pcall (L, nargs, LUA_MULTRET, 0) != 0) {
                        msg_err_task ("call to %s failed: %s",
                                        "condition callback",
                                        lua_tostring (L, -1));