Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/usr.sbin/npf/npfctl/npf_build.c,v
rcsdiff: /ftp/cvs/cvsroot/src/usr.sbin/npf/npfctl/npf_build.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.38
retrieving revision 1.39
diff -u -p -r1.38 -r1.39
--- src/usr.sbin/npf/npfctl/npf_build.c	2014/05/31 22:41:37	1.38
+++ src/usr.sbin/npf/npfctl/npf_build.c	2015/03/21 00:49:07	1.39
@@ -1,4 +1,4 @@
-/*	$NetBSD: npf_build.c,v 1.38 2014/05/31 22:41:37 rmind Exp $	*/
+/*	$NetBSD: npf_build.c,v 1.39 2015/03/21 00:49:07 rmind Exp $	*/
 
 /*-
  * Copyright (c) 2011-2014 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: npf_build.c,v 1.38 2014/05/31 22:41:37 rmind Exp $");
+__RCSID("$NetBSD: npf_build.c,v 1.39 2015/03/21 00:49:07 rmind Exp $");
 
 #include <sys/types.h>
 #include <sys/mman.h>
@@ -91,6 +91,10 @@ npfctl_config_send(int fd, const char *o
 	}
 	npf_rule_insert(npf_conf, NULL, defgroup);
 	error = npf_config_submit(npf_conf, fd);
+	if (error == EEXIST) { /* XXX */
+		errx(EXIT_FAILURE, "(re)load failed: "
+		    "some table has a duplicate entry?");
+	}
 	if (error) {
 		nl_error_t ne;
 		_npf_config_error(npf_conf, &ne);