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| author | Tom Parkin <tparkin@katalix.com> | 2013-01-31 01:02:26 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-31 13:53:09 -0500 |
| commit | 700163db3de397a7557831e1eb9b8ce60e55590a (patch) | |
| tree | 6de02acfc70fd2cb31af1fe4ce5ac1a96f076923 | |
| parent | 8e72d37eb304d9ec5dfb51bc2d83e900b79ee764 (diff) | |
| download | linux-700163db3de397a7557831e1eb9b8ce60e55590a.tar.gz linux-700163db3de397a7557831e1eb9b8ce60e55590a.tar.bz2 linux-700163db3de397a7557831e1eb9b8ce60e55590a.zip | |
l2tp: correctly handle ancillary data in the ip6 recv path
l2tp_ip6 is incorrectly using the IPv4-specific ip_cmsg_recv to handle
ancillary data. This means that socket options such as IPV6_RECVPKTINFO are
not honoured in userspace.
Convert l2tp_ip6 to use the IPv6-specific handler.
Ref: net/ipv6/udp.c
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/l2tp/l2tp_ip6.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 2316947ee772..8ee4a86ae996 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -646,7 +646,7 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len, int noblock, int flags, int *addr_len) { - struct inet_sock *inet = inet_sk(sk); + struct ipv6_pinfo *np = inet6_sk(sk); struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *)msg->msg_name; size_t copied = 0; int err = -EOPNOTSUPP; @@ -688,8 +688,8 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk, lsa->l2tp_scope_id = IP6CB(skb)->iif; } - if (inet->cmsg_flags) - ip_cmsg_recv(msg, skb); + if (np->rxopt.all) + ip6_datagram_recv_ctl(sk, msg, skb); if (flags & MSG_TRUNC) copied = skb->len; |