diff options
Diffstat (limited to 'sys/netinet/tcp_usrreq.c')
| -rw-r--r-- | sys/netinet/tcp_usrreq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index 77c704186522..f0251290367c 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -597,6 +597,10 @@ tcp6_usr_connect(struct socket *so, struct sockaddr *nam, struct thread *td) error = EINVAL; goto out; } + if ((inp->inp_vflag & INP_IPV4) == 0) { + error = EAFNOSUPPORT; + goto out; + } in6_sin6_2_sin(&sin, sin6p); inp->inp_vflag |= INP_IPV4; @@ -614,6 +618,11 @@ tcp6_usr_connect(struct socket *so, struct sockaddr *nam, struct thread *td) #endif error = tp->t_fb->tfb_tcp_output(tp); goto out; + } else { + if ((inp->inp_vflag & INP_IPV6) == 0) { + error = EAFNOSUPPORT; + goto out; + } } #endif inp->inp_vflag &= ~INP_IPV4; |