RDS tcp loopback connection can hang

[linux-2.6-microblaze.git] / net / rds / tcp_listen.c

diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 101cf14..09cadd5 100644 (file)
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -167,6 +167,12 @@ int rds_tcp_accept_one(struct socket *sock)
        }
 #endif
 
+       if (!rds_tcp_laddr_check(sock_net(sock->sk), peer_addr, dev_if)) {
+               /* local address connection is only allowed via loopback */
+               ret = -EOPNOTSUPP;
+               goto out;
+       }
+
        conn = rds_conn_create(sock_net(sock->sk),
                               my_addr, peer_addr,
                               &rds_tcp_transport, 0, GFP_KERNEL, dev_if);