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| author | Eric Dumazet <edumazet@google.com> | 2019-03-19 05:46:18 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-19 14:01:40 -0700 |
| commit | e0aa67709f89d08c8d8e5bdd9e0b649df61d0090 (patch) | |
| tree | f949e270cbf88ff2109914f3357cb2d13bbebd9c | |
| parent | 89e4130939a20304f4059ab72179da81f5347528 (diff) | |
| download | linux-e0aa67709f89d08c8d8e5bdd9e0b649df61d0090.tar.bz2 | |
dccp: do not use ipv6 header for ipv4 flow
When a dual stack dccp listener accepts an ipv4 flow,
it should not attempt to use an ipv6 header or
inet6_iif() helper.
Fixes: 3df80d9320bc ("[DCCP]: Introduce DCCPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/dccp/ipv6.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index d5740bad5b18..57d84e9b7b6f 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -436,8 +436,8 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, newnp->ipv6_mc_list = NULL; newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; - newnp->mcast_oif = inet6_iif(skb); - newnp->mcast_hops = ipv6_hdr(skb)->hop_limit; + newnp->mcast_oif = inet_iif(skb); + newnp->mcast_hops = ip_hdr(skb)->ttl; /* * No need to charge this sock to the relevant IPv6 refcnt debug socks count |