Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756540Ab3CRVJC (ORCPT ); Mon, 18 Mar 2013 17:09:02 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45988 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932234Ab3CRVIO (ORCPT ); Mon, 18 Mar 2013 17:08:14 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, YOSHIFUJI Hideaki , Hannes Frederic Sowa , "David S. Miller" Subject: [ 45/48] ipv6: stop multicast forwarding to process interface scoped addresses Date: Mon, 18 Mar 2013 14:08:53 -0700 Message-Id: <20130318210813.437838391@linuxfoundation.org> X-Mailer: git-send-email 1.8.1.2.434.g9a6c84e.dirty In-Reply-To: <20130318210810.247845918@linuxfoundation.org> References: <20130318210810.247845918@linuxfoundation.org> User-Agent: quilt/0.60-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1463 Lines: 46 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hannes Frederic Sowa [ Upstream commit ddf64354af4a702ee0b85d0a285ba74c7278a460 ] v2: a) used struct ipv6_addr_props v3: a) reverted changes for ipv6_addr_props v4: a) do not use __ipv6_addr_needs_scope_id Cc: YOSHIFUJI Hideaki Signed-off-by: Hannes Frederic Sowa Acked-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ip6_input.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -265,7 +265,8 @@ int ip6_mc_input(struct sk_buff *skb) * IPv6 multicast router mode is now supported ;) */ if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding && - !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) && + !(ipv6_addr_type(&hdr->daddr) & + (IPV6_ADDR_LOOPBACK|IPV6_ADDR_LINKLOCAL)) && likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) { /* * Okay, we try to forward - split and duplicate -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/