From 642125c1986a9ec4696a5164c810502588a9cec8 Mon Sep 17 00:00:00 2001
From: glebius <glebius@FreeBSD.org>
Date: Thu, 9 Feb 2006 12:49:39 +0000
Subject: Refuse to install invalid ARP entries.

Submitted by:	Vitaliy Ovsyannikov <V.Ovsyannikov kr.ru>
---
 usr.sbin/arp/arp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/arp/arp.c b/usr.sbin/arp/arp.c
index d7cdc20..aee3da4 100644
--- a/usr.sbin/arp/arp.c
+++ b/usr.sbin/arp/arp.c
@@ -348,9 +348,10 @@ set(int argc, char **argv)
 	} else {
 		struct ether_addr *ea1 = ether_aton(eaddr);
 
-		if (ea1 == NULL)
+		if (ea1 == NULL) {
 			warnx("invalid Ethernet address '%s'", eaddr);
-		else {
+			return (1);
+		} else {
 			*ea = *ea1;
 			sdl_m.sdl_alen = ETHER_ADDR_LEN;
 		}
-- 
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