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| author | YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> | 2013-01-13 05:02:18 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-13 20:17:14 -0500 |
| commit | daad151263cf334d57fcc0270e2483d4b4639650 (patch) | |
| tree | ca0ba6274d94c1ce31a51a296a7032bb43a1cc08 /net/ipv6/ip6_input.c | |
| parent | e7219858ac1f98213a4714d0e24e7a003e1bf6a2 (diff) | |
| download | linux-daad151263cf334d57fcc0270e2483d4b4639650.tar.gz linux-daad151263cf334d57fcc0270e2483d4b4639650.tar.bz2 linux-daad151263cf334d57fcc0270e2483d4b4639650.zip | |
ipv6: Make ipv6_is_mld() inline and use it from ip6_mc_input().
Move generalized version of ipv6_is_mld() to header,
and use it from ip6_mc_input().
Signed-off-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.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index a52d864d562b..2ccd35ec3628 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -212,7 +212,7 @@ resubmit: if (ipv6_addr_is_multicast(&hdr->daddr) && !ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, &hdr->saddr) && - !ipv6_is_mld(skb, nexthdr)) + !ipv6_is_mld(skb, nexthdr, skb_network_header_len(skb))) goto discard; } if (!(ipprot->flags & INET6_PROTO_NOPOLICY) && @@ -283,7 +283,6 @@ int ip6_mc_input(struct sk_buff *skb) if (unlikely(opt->ra)) { /* Check if this is a mld message */ u8 *ptr = skb_network_header(skb) + opt->ra; - struct icmp6hdr *icmp6; u8 nexthdr = hdr->nexthdr; __be16 frag_off; int offset; @@ -303,24 +302,10 @@ int ip6_mc_input(struct sk_buff *skb) if (offset < 0) goto out; - if (nexthdr != IPPROTO_ICMPV6) + if (!ipv6_is_mld(skb, nexthdr, offset)) goto out; - if (!pskb_may_pull(skb, (skb_network_header(skb) + - offset + 1 - skb->data))) - goto out; - - icmp6 = (struct icmp6hdr *)(skb_network_header(skb) + offset); - - switch (icmp6->icmp6_type) { - case ICMPV6_MGM_QUERY: - case ICMPV6_MGM_REPORT: - case ICMPV6_MGM_REDUCTION: - case ICMPV6_MLD2_REPORT: - deliver = true; - break; - } - goto out; + deliver = true; } /* unknown RA - process it normally */ } |