===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/rsync/client.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- src/usr.bin/rsync/client.c	2019/02/16 10:44:01	1.6
+++ src/usr.bin/rsync/client.c	2019/02/17 15:59:09	1.7
@@ -1,4 +1,4 @@
-/*	$Id: client.c,v 1.6 2019/02/16 10:44:01 florian Exp $ */
+/*	$Id: client.c,v 1.7 2019/02/17 15:59:09 deraadt Exp $ */
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -59,10 +59,10 @@
 	}
 
 	if (sess.rver < sess.lver) {
-		ERRX(&sess, "remote protocol is older "
-			"than our own (%" PRId32 " < %" PRId32 "): "
-			"this is not supported",
-			sess.rver, sess.lver);
+		ERRX(&sess,
+		    "remote protocol %d is older than own %d: unsupported\n",
+		    sess.rver, sess.lver);
+		rc = 2;	/* Protocol incompatibility*/
 		goto out;
 	}