From ca97a644d752b46e5e08526e36705c3b0dd03f5f Mon Sep 17 00:00:00 2001 From: YOSHIFUJI Hideaki / 吉藤英明 Date: Sun, 20 Jan 2013 07:39:00 +0000 Subject: ipv6: Introduce ipv6_addr_is_solict_mult() to check Solicited Node Multicast Addresses. Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller --- net/ipv6/ndisc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'net/ipv6/ndisc.c') diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 350f86005c13..903191adb5ca 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -685,11 +685,7 @@ static void ndisc_recv_ns(struct sk_buff *skb) * RFC2461 7.1.1: * DAD has to be destined for solicited node multicast address. */ - if (dad && - !(daddr->s6_addr32[0] == htonl(0xff020000) && - daddr->s6_addr32[1] == htonl(0x00000000) && - daddr->s6_addr32[2] == htonl(0x00000001) && - daddr->s6_addr [12] == 0xff )) { + if (dad && !ipv6_addr_is_solict_mult(daddr)) { ND_PRINTK(2, warn, "NS: bad DAD packet (wrong destination)\n"); return; } -- cgit v1.2.3-59-g8ed1b