diff options
Diffstat (limited to 'net/netrom/af_netrom.c')
| -rw-r--r-- | net/netrom/af_netrom.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 43910e50752c..146550ce0ac6 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -403,6 +403,11 @@ static int nr_listen(struct socket *sock, int backlog) struct sock *sk = sock->sk; lock_sock(sk); + if (sock->state != SS_UNCONNECTED) { + release_sock(sk); + return -EINVAL; + } + if (sk->sk_state != TCP_LISTEN) { memset(&nr_sk(sk)->user_addr, 0, AX25_ADDR_LEN); sk->sk_max_ack_backlog = backlog; @@ -658,6 +663,11 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr, goto out_release; } + if (sock->state == SS_CONNECTING) { + err = -EALREADY; + goto out_release; + } + sk->sk_state = TCP_CLOSE; sock->state = SS_UNCONNECTED; |