From e90a09d3778a69769189e96d9ddbea2677b83910 Mon Sep 17 00:00:00 2001
From: Otto Moerbeek <otto.moerbeek@open-xchange.com>
Date: Fri, 29 Nov 2019 14:36:12 +0100
Subject: [PATCH] Correct when to replace a throttle entry

---
 pdns/syncres.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pdns/syncres.hh b/pdns/syncres.hh
index 336a252643..2e0c399b49 100644
--- a/pdns/syncres.hh
+++ b/pdns/syncres.hh
@@ -113,7 +113,9 @@ public:
     if (i == d_cont.end()) {
       entry_t e = { t, ttd, count };
       d_cont.insert(e);
-    } else if (i->ttd > ttd || i->count < count) { // ????
+    } else if (ttd > i->ttd || count > i->count) {
+      ttd = std::max(i->ttd, ttd);
+      count = std::max(i->count, count);
       auto &ind = d_cont.template get<Thing>();
       ind.modify(i, [ttd,count](entry_t &e) { e.ttd = ttd; e.count = count; });
     }
-- 
2.47.2