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authorTom Parkin <tparkin@katalix.com>2013-01-31 01:02:26 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-31 13:53:09 -0500
commit700163db3de397a7557831e1eb9b8ce60e55590a (patch)
tree6de02acfc70fd2cb31af1fe4ce5ac1a96f076923 /net/l2tp
parent8e72d37eb304d9ec5dfb51bc2d83e900b79ee764 (diff)
downloadlinux-700163db3de397a7557831e1eb9b8ce60e55590a.tar.gz
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>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_ip6.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 2316947ee77..8ee4a86ae99 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;