dnsdist: Don't warn about outgoing DoH worker then there isn't any

diff --git a/pdns/dnsdistdist/dnsdist-nghttp2.cc b/pdns/dnsdistdist/dnsdist-nghttp2.cc
index dbb3c86e3c39c73121048c9f18c47c48cd2b3b92..033d043c7469262eac1e2b119abfa7ae1873c112 100644 (file)
--- a/pdns/dnsdistdist/dnsdist-nghttp2.cc
+++ b/pdns/dnsdistdist/dnsdist-nghttp2.cc
@@ -1174,8 +1174,10 @@ void DoHClientCollection::addThread()
 bool initDoHWorkers()
 {
 #ifdef HAVE_NGHTTP2
-  g_dohClientThreads = std::make_unique<DoHClientCollection>(g_outgoingDoHWorkerThreads);
-  g_dohClientThreads->addThread();
+  if (g_outgoingDoHWorkerThreads > 0) {
+    g_dohClientThreads = std::make_unique<DoHClientCollection>(g_outgoingDoHWorkerThreads);
+    g_dohClientThreads->addThread();
+  }
   return true;
 #else
   return false;