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| author | Ingo Molnar <mingo@kernel.org> | 2013-04-21 10:57:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-04-21 10:57:33 +0200 |
| commit | 73e21ce28d8d2b75140b742b01373c3a085ecc52 (patch) | |
| tree | add380154271f9a68be4099590f912b4ab4bed9f /net/ipv6/ip6_input.c | |
| parent | b5210b2a34bae35fc00675462333af45676d727c (diff) | |
| parent | f1923820c447e986a9da0fc6bf60c1dccdf0408e (diff) | |
| download | op-kernel-dev-73e21ce28d8d2b75140b742b01373c3a085ecc52.zip op-kernel-dev-73e21ce28d8d2b75140b742b01373c3a085ecc52.tar.gz | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
arch/x86/kernel/cpu/perf_event_intel.c
Merge in the latest fixes before applying new patches, resolve the conflict.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv6/ip6_input.c')
| -rw-r--r-- | net/ipv6/ip6_input.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index e33fe0a..2bab2aa 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -118,6 +118,18 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt ipv6_addr_loopback(&hdr->daddr)) goto err; + /* RFC4291 Errata ID: 3480 + * Interface-Local scope spans only a single interface on a + * node and is useful only for loopback transmission of + * multicast. Packets with interface-local scope received + * from another node must be discarded. + */ + if (!(skb->pkt_type == PACKET_LOOPBACK || + dev->flags & IFF_LOOPBACK) && + ipv6_addr_is_multicast(&hdr->daddr) && + IPV6_ADDR_MC_SCOPE(&hdr->daddr) == 1) + goto err; + /* RFC4291 2.7 * Nodes must not originate a packet to a multicast address whose scope * field contains the reserved value 0; if such a packet is received, it |
