don't check for a return value that host() doesn't return, so future

generations don't try to change any of the values and break the code.
ok deraadt

src/usr.sbin/ntpd/config.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: config.c,v 1.21 2015/01/10 01:56:52 bcook Exp $ */
+/*	$OpenBSD: config.c,v 1.22 2015/01/10 13:47:05 tedu Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -36,7 +36,7 @@ struct ntp_addr	*host_v6(const char *);
 
 static u_int32_t		 maxid = 0;
 
-int
+void
 host(const char *s, struct ntp_addr **hn)
 {
 	struct ntp_addr	*h = NULL;
@@ -54,11 +54,9 @@ host(const char *s, struct ntp_addr **hn)
 		h = host_v6(s);
 
 	if (h == NULL)
-		return (0);
+		return;
 
 	*hn = h;
-
-	return (1);
 }
 
 struct ntp_addr	*

src/usr.sbin/ntpd/ntpd.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: ntpd.h,v 1.115 2015/01/09 07:35:37 deraadt Exp $ */
+/*	$OpenBSD: ntpd.h,v 1.116 2015/01/10 13:47:05 tedu Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -279,7 +279,7 @@ extern struct ctl_conns  ctl_conns;
 int	 parse_config(const char *, struct ntpd_conf *);
 
 /* config.c */
-int			 host(const char *, struct ntp_addr **);
+void			 host(const char *, struct ntp_addr **);
 int			 host_dns(const char *, struct ntp_addr **);
 struct ntp_peer		*new_peer(void);
 struct ntp_conf_sensor	*new_sensor(char *);

src/usr.sbin/ntpd/parse.y

@@ -1,4 +1,4 @@
-/*	$OpenBSD: parse.y,v 1.56 2015/01/08 00:30:08 bcook Exp $ */
+/*	$OpenBSD: parse.y,v 1.57 2015/01/10 13:47:05 tedu Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -225,13 +225,7 @@ address		: STRING		{
 			if (($$ = calloc(1, sizeof(struct ntp_addr_wrap))) ==
 			    NULL)
 				fatal(NULL);
-			if (host($1, &$$->a) == -1) {
-				yyerror("could not parse address spec \"%s\"",
-				    $1);
-				free($1);
-				free($$);
-				YYERROR;
-			}
+			host($1, &$$->a);
 			$$->name = $1;
 		}
 		;