diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/igmp.c | 5 | ||||
| -rw-r--r-- | net/ipv6/mcast.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index c04607b4921..4a195c724f0 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -897,7 +897,10 @@ int igmp_rcv(struct sk_buff *skb) /* Is it our report looped back? */ if (((struct rtable*)skb->dst)->fl.iif == 0) break; - igmp_heard_report(in_dev, ih->group); + /* don't rely on MC router hearing unicast reports */ + if (skb->pkt_type == PACKET_MULTICAST || + skb->pkt_type == PACKET_BROADCAST) + igmp_heard_report(in_dev, ih->group); break; case IGMP_PIM: #ifdef CONFIG_IP_PIMSM_V1 diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index f15e04ad026..fd939da090c 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1231,6 +1231,11 @@ int igmp6_event_report(struct sk_buff *skb) if (skb->pkt_type == PACKET_LOOPBACK) return 0; + /* send our report if the MC router may not have heard this report */ + if (skb->pkt_type != PACKET_MULTICAST && + skb->pkt_type != PACKET_BROADCAST) + return 0; + if (!pskb_may_pull(skb, sizeof(struct in6_addr))) return -EINVAL; |