From: Otto Moerbeek <otto@drijf.net>
Date: Sun, 25 Oct 2020 09:14:48 +0000 (+0100)
Subject: Add comment as suggested by ragacogne
X-Git-Tag: auth-4.4.0-alpha2~11^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=417f2aa32ae78856e9e78f4e0a7fda54b896413b;p=thirdparty%2Fpdns.git

Add comment as suggested by ragacogne
---

diff --git a/pdns/rpzloader.cc b/pdns/rpzloader.cc
index 47a0ffef4b..d5ff390baa 100644
--- a/pdns/rpzloader.cc
+++ b/pdns/rpzloader.cc
@@ -363,6 +363,7 @@ void RPZIXFRTracker(const std::vector<ComboAddress>& masters, boost::optional<DN
     return;
   }
 
+  // If oldZone failed to load its getRefresh() returns 0, protect agains that
   uint32_t refresh = std::max(refreshFromConf ? refreshFromConf : oldZone->getRefresh(), 10U);
   DNSName zoneName = oldZone->getDomain();
   std::string polName = oldZone->getName().empty() ? oldZone->getName() : zoneName.toString();