Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[karo-tx-linux.git] / net / sctp / socket.c

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 8e56df8d175d0f066030d2fbb6f655a84e265992..f16c8d97b7f313e9f671d8bb8620b0f9566e619f 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7174,6 +7174,9 @@ int sctp_inet_listen(struct socket *sock, int backlog)
        if (sock->state != SS_UNCONNECTED)
                goto out;
 
+       if (!sctp_sstate(sk, LISTENING) && !sctp_sstate(sk, CLOSED))
+               goto out;
+
        /* If backlog is zero, disable listening. */
        if (!backlog) {
                if (sctp_sstate(sk, CLOSED))