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-rw-r--r--net/sctp/socket.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c009383369b2..32f76f1298da 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4834,10 +4834,14 @@ int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr,
return sctp_connect(sock->sk, uaddr, addr_len, flags);
}
-/* FIXME: Write comments. */
+/* Only called when shutdown a listening SCTP socket. */
static int sctp_disconnect(struct sock *sk, int flags)
{
- return -EOPNOTSUPP; /* STUB */
+ if (!sctp_style(sk, TCP))
+ return -EOPNOTSUPP;
+
+ sk->sk_shutdown |= RCV_SHUTDOWN;
+ return 0;
}
/* 4.1.4 accept() - TCP Style Syntax
@@ -4866,7 +4870,8 @@ static struct sock *sctp_accept(struct sock *sk, struct proto_accept_arg *arg)
goto out;
}
- if (!sctp_sstate(sk, LISTENING)) {
+ if (!sctp_sstate(sk, LISTENING) ||
+ (sk->sk_shutdown & RCV_SHUTDOWN)) {
error = -EINVAL;
goto out;
}
@@ -9393,7 +9398,8 @@ static int sctp_wait_for_accept(struct sock *sk, long timeo)
}
err = -EINVAL;
- if (!sctp_sstate(sk, LISTENING))
+ if (!sctp_sstate(sk, LISTENING) ||
+ (sk->sk_shutdown & RCV_SHUTDOWN))
break;
err = 0;