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Diffstat (limited to 'net/ipv6/ip6mr.c')
-rw-r--r--net/ipv6/ip6mr.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index babaf3ec2742..6ba6c900ebcf 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1666,6 +1666,10 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
struct net *net = sock_net(sk);
struct mr6_table *mrt;
+ if (sk->sk_type != SOCK_RAW ||
+ inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+ return -EOPNOTSUPP;
+
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
if (!mrt)
return -ENOENT;
@@ -1677,9 +1681,6 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
switch (optname) {
case MRT6_INIT:
- if (sk->sk_type != SOCK_RAW ||
- inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
- return -EOPNOTSUPP;
if (optlen < sizeof(int))
return -EINVAL;
@@ -1815,6 +1816,10 @@ int ip6_mroute_getsockopt(struct sock *sk, int optname, char __user *optval,
struct net *net = sock_net(sk);
struct mr6_table *mrt;
+ if (sk->sk_type != SOCK_RAW ||
+ inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+ return -EOPNOTSUPP;
+
mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
if (!mrt)
return -ENOENT;