From: Vsevolod Stakhov <vsevolod@rspamd.com>
Date: Sat, 22 Oct 2022 12:17:45 +0000 (+0100)
Subject: [Minor] Fix corner cases
X-Git-Tag: 3.4~35
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=272503b1ba88fe9802192ef65a1f7674e0a51f2b;p=thirdparty%2Frspamd.git

[Minor] Fix corner cases
---

diff --git a/lualib/lua_mime.lua b/lualib/lua_mime.lua
index 9dff5cfed8..038dccceb4 100644
--- a/lualib/lua_mime.lua
+++ b/lualib/lua_mime.lua
@@ -590,8 +590,8 @@ exports.modify_headers = function(task, hdr_alterations, mode)
 
   if mode == 'compat' then
     -- Clear empty alterations in the compat mode
-    if not next(add_headers) then add_headers = nil end
-    if not next(hdr_alterations.remove) then hdr_alterations.remove = nil end
+    if add_headers and not next(add_headers) then add_headers = nil end
+    if hdr_alterations.remove and not next(hdr_alterations.remove) then hdr_alterations.remove = nil end
   end
   task:set_milter_reply({
     add_headers = add_headers,