rfc2136handler: Close socket when write fails

Fix for Coverity CID 1066217.

diff --git a/pdns/rfc2136handler.cc b/pdns/rfc2136handler.cc
index ae2fe7e4b8b7abde0d0d37806db3b85d7f70de33..4e3d1167326542253b2bdcdd3f88daf79ed33246 100644 (file)
--- a/pdns/rfc2136handler.cc
+++ b/pdns/rfc2136handler.cc
@@ -611,6 +611,7 @@ int PacketHandler::forwardPacket(const string &msgPrefix, DNSPacket *p, DomainIn
     buffer.append(forwardPacket.getString());
     if(write(sock, buffer.c_str(), buffer.length()) < 0) {
       L<<Logger::Error<<msgPrefix<<"Unable to forward update message to "<<remote.toStringWithPort()<<", error:"<<stringerror()<<endl;
+      Utility::closesocket(sock);
       continue;
     }