allocate real message only if we are sending a reply

diff --git a/src/lib/io/worker.c b/src/lib/io/worker.c
index 2ec32b7c7d5767acf7cd586d91eafad0653dbff1..307d6c3b273f5d77c71172ae3d03e01d5c75d1bb 100644 (file)
--- a/src/lib/io/worker.c
+++ b/src/lib/io/worker.c
@@ -538,7 +538,7 @@ static void worker_send_reply(fr_worker_t *worker, request_t *request, bool send
        /*
         *      Encode it, if required.
         */
-       if (size) {
+       if (send_reply) {
                ssize_t slen = 0;
                fr_listen_t const *listen = request->async->listen;