diff options
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 4 | ||||
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 4d544573f48a..6b420aedcdcf 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -625,6 +625,10 @@ static int do_ip_setsockopt(struct sock *sk, int level, { struct ip_mreqn mreq; + err = -EPROTO; + if (inet_sk(sk)->is_icsk) + break; + if (optlen < sizeof(struct ip_mreq)) goto e_inval; err = -EFAULT; diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 761a910f4f97..6b038aa72e88 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -554,6 +554,10 @@ done: { struct ipv6_mreq mreq; + retv = -EPROTO; + if (inet_sk(sk)->is_icsk) + break; + retv = -EFAULT; if (copy_from_user(&mreq, optval, sizeof(struct ipv6_mreq))) break; |