ipv6: stop multicast forwarding to process interface scoped addresses

[karo-tx-linux.git] / net / ipv6 / ip6_input.c

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index a52d864d562b4067e8f70db9e0fabbafe76b7fea..b19685219916f593be92a7a4bd54e141e67a8cde 100644 (file)
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -270,7 +270,8 @@ 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