When setting up the DTLS session, close the previous DTLS session if it exists.

Resolves: #293

Signed-off-by: Alan Jowett alanjo@microsoft.com

src/worker-vpn.c

@@ -387,6 +387,10 @@ static int setup_dtls_connection(struct worker_st *ws)
 	/* reset MTU */
 	link_mtu_set(ws, ws->adv_link_mtu);
 
+	if (ws->dtls_session != NULL) {
+		gnutls_deinit(ws->dtls_session);
+	}
+
 	ws->dtls_session = session;
 
 	return 0;