auth: Close the TCP connection descriptor if `pthread_create()` failed

diff --git a/pdns/tcpreceiver.cc b/pdns/tcpreceiver.cc
index 4e52eadb08f28cfe8456b21e6849e39bffbd2a78..416db2bc1c4f9b7385075c1d8e9f4f58747eedb6 100644 (file)
--- a/pdns/tcpreceiver.cc
+++ b/pdns/tcpreceiver.cc
@@ -1299,6 +1299,7 @@ void TCPNameserver::thread()
             if(pthread_create(&tid, 0, &doConnection, reinterpret_cast<void*>(fd))) {
               L<<Logger::Error<<"Error creating thread: "<<stringerror()<<endl;
               d_connectionroom_sem->post();
+              close(fd);
             }
           }
         }