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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-03-08 02:07:23 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-08 12:28:20 -0500
commitddf64354af4a702ee0b85d0a285ba74c7278a460 (patch)
treeb2cf6d7df6fab2af9a512b027e6cf2604236027c /net/ipv6/ip6_input.c
parent3bc1b1add7a8484cc4a261c3e128dbe1528ce01f (diff)
downloadlinux-stericsson-ddf64354af4a702ee0b85d0a285ba74c7278a460.tar.gz
ipv6: stop multicast forwarding to process interface scoped addresses
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 <yoshfuji@linux-ipv6.org> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index b1876e52091e..e33fe0ab2568 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -281,7 +281,8 @@ 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