From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Mon, 26 Mar 2018 15:25:29 +0000 (+0200)
Subject: dnsdist: Work around a false positive in statNodeRespRing()
X-Git-Tag: dnsdist-1.3.0~25^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F6393%2Fhead;p=thirdparty%2Fpdns.git

dnsdist: Work around a false positive in statNodeRespRing()

Debian Jessie's compiler reports that `cutoff` might be used
uninitialized in `statNodeRespRing()`. This is a false positive,
but let's just initialize it no matter what so the compiler stops
whining.
---

diff --git a/pdns/dnsdist-lua-inspection.cc b/pdns/dnsdist-lua-inspection.cc
index d3b14e2c6d..93fd8ff242 100644
--- a/pdns/dnsdist-lua-inspection.cc
+++ b/pdns/dnsdist-lua-inspection.cc
@@ -99,10 +99,8 @@ static void statNodeRespRing(statvisitor_t visitor, unsigned int seconds)
 {
   struct timespec cutoff, now;
   gettime(&now);
-  if (seconds) {
-    cutoff = now;
-    cutoff.tv_sec -= seconds;
-  }
+  cutoff = now;
+  cutoff.tv_sec -= seconds;
 
   StatNode root;
   {