From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760141Ab3GaNtv (ORCPT ); Wed, 31 Jul 2013 09:49:51 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:46866 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752495Ab3GaNZk (ORCPT ); Wed, 31 Jul 2013 09:25:40 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "=?UTF-8?q?Linus=20L=C3=BCssing?=" , "David S. Miller" Date: Wed, 31 Jul 2013 15:23:09 +0200 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [01/84] bridge: fix switched interval for MLD Query types In-Reply-To: X-SA-Exim-Connect-IP: 151.216.67.181 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.50-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Linus Lüssing [ Upstream commit 32de868cbc6bee010d2cee95b5071b25ecbec8c3 ] General Queries (the one with the Multicast Address field set to zero / '::') are supposed to have a Maximum Response Delay of [Query Response Interval], while for Multicast-Address-Specific Queries it is [Last Listener Query Interval] - not the other way round. (see RFC2710, section 7.3+7.8) Signed-off-by: Linus Lüssing Signed-off-by: David S. Miller Signed-off-by: Ben Hutchings --- net/bridge/br_multicast.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 5ac1811..b81500c 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -467,8 +467,9 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br, skb_set_transport_header(skb, skb->len); mldq = (struct mld_msg *) icmp6_hdr(skb); - interval = ipv6_addr_any(group) ? br->multicast_last_member_interval : - br->multicast_query_response_interval; + interval = ipv6_addr_any(group) ? + br->multicast_query_response_interval : + br->multicast_last_member_interval; mldq->mld_type = ICMPV6_MGM_QUERY; mldq->mld_code = 0;