From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 1 Sep 2021 14:14:43 +0000 (+0100)
Subject: [Minor] Fix number of arguments to invoke a lua function
X-Git-Tag: 3.1~203
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f778850980db0ff24b462b169d2ded48000dd5c6;p=thirdparty%2Frspamd.git

[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 4e856b5631..13083986f2 100644
--- 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));