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path: root/net/phonet/socket.c
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Diffstat (limited to 'net/phonet/socket.c')
-rw-r--r--net/phonet/socket.c102
1 files changed, 40 insertions, 62 deletions
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 1eccfc35bcc0..b1adafab377c 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -225,15 +225,18 @@ static int pn_socket_autobind(struct socket *sock)
return 0; /* socket was already bound */
}
-#ifdef CONFIG_PHONET_PIPECTRLR
static int pn_socket_connect(struct socket *sock, struct sockaddr *addr,
int len, int flags)
{
struct sock *sk = sock->sk;
+ struct pn_sock *pn = pn_sk(sk);
struct sockaddr_pn *spn = (struct sockaddr_pn *)addr;
- long timeo;
+ struct task_struct *tsk = current;
+ long timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
int err;
+ if (pn_socket_autobind(sock))
+ return -ENOBUFS;
if (len < sizeof(struct sockaddr_pn))
return -EINVAL;
if (spn->spn_family != AF_PHONET)
@@ -243,82 +246,61 @@ static int pn_socket_connect(struct socket *sock, struct sockaddr *addr,
switch (sock->state) {
case SS_UNCONNECTED:
- sk->sk_state = TCP_CLOSE;
- break;
- case SS_CONNECTING:
- switch (sk->sk_state) {
- case TCP_SYN_RECV:
- sock->state = SS_CONNECTED;
- err = -EISCONN;
- goto out;
- case TCP_CLOSE:
- err = -EALREADY;
- if (flags & O_NONBLOCK)
- goto out;
- goto wait_connect;
- }
- break;
- case SS_CONNECTED:
- switch (sk->sk_state) {
- case TCP_SYN_RECV:
+ if (sk->sk_state != TCP_CLOSE) {
err = -EISCONN;
goto out;
- case TCP_CLOSE:
- sock->state = SS_UNCONNECTED;
- break;
}
break;
- case SS_DISCONNECTING:
- case SS_FREE:
- break;
+ case SS_CONNECTING:
+ err = -EALREADY;
+ goto out;
+ default:
+ err = -EISCONN;
+ goto out;
}
- sk->sk_state = TCP_CLOSE;
- sk_stream_kill_queues(sk);
+ pn->dobject = pn_sockaddr_get_object(spn);
+ pn->resource = pn_sockaddr_get_resource(spn);
sock->state = SS_CONNECTING;
+
err = sk->sk_prot->connect(sk, addr, len);
- if (err < 0) {
+ if (err) {
sock->state = SS_UNCONNECTED;
- sk->sk_state = TCP_CLOSE;
+ pn->dobject = 0;
goto out;
}
- err = -EINPROGRESS;
-wait_connect:
- if (sk->sk_state != TCP_SYN_RECV && (flags & O_NONBLOCK))
- goto out;
-
- timeo = sock_sndtimeo(sk, flags & O_NONBLOCK);
- release_sock(sk);
+ while (sk->sk_state == TCP_SYN_SENT) {
+ DEFINE_WAIT(wait);
- err = -ERESTARTSYS;
- timeo = wait_event_interruptible_timeout(*sk_sleep(sk),
- sk->sk_state != TCP_CLOSE,
- timeo);
-
- lock_sock(sk);
- if (timeo < 0)
- goto out; /* -ERESTARTSYS */
-
- err = -ETIMEDOUT;
- if (timeo == 0 && sk->sk_state != TCP_SYN_RECV)
- goto out;
+ if (!timeo) {
+ err = -EINPROGRESS;
+ goto out;
+ }
+ if (signal_pending(tsk)) {
+ err = sock_intr_errno(timeo);
+ goto out;
+ }
- if (sk->sk_state != TCP_SYN_RECV) {
- sock->state = SS_UNCONNECTED;
- err = sock_error(sk);
- if (!err)
- err = -ECONNREFUSED;
- goto out;
+ prepare_to_wait_exclusive(sk_sleep(sk), &wait,
+ TASK_INTERRUPTIBLE);
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock(sk);
+ finish_wait(sk_sleep(sk), &wait);
}
- sock->state = SS_CONNECTED;
- err = 0;
+ if ((1 << sk->sk_state) & (TCPF_SYN_RECV|TCPF_ESTABLISHED))
+ err = 0;
+ else if (sk->sk_state == TCP_CLOSE_WAIT)
+ err = -ECONNRESET;
+ else
+ err = -ECONNREFUSED;
+ sock->state = err ? SS_UNCONNECTED : SS_CONNECTED;
out:
release_sock(sk);
return err;
}
-#endif
static int pn_socket_accept(struct socket *sock, struct socket *newsock,
int flags)
@@ -486,11 +468,7 @@ const struct proto_ops phonet_stream_ops = {
.owner = THIS_MODULE,
.release = pn_socket_release,
.bind = pn_socket_bind,
-#ifdef CONFIG_PHONET_PIPECTRLR
.connect = pn_socket_connect,
-#else
- .connect = sock_no_connect,
-#endif
.socketpair = sock_no_socketpair,
.accept = pn_socket_accept,
.getname = pn_socket_getname,