1 files changed, 3 insertions, 120 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index cdfaf4f0e11a..f13dad0fd9ef 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -724,7 +724,7 @@ out_close:
 }
 
 /* Listening socket is busy, accept a connection */
-static int tcp_accept_from_sock(struct connection *con)
+static int accept_from_sock(struct connection *con)
 {
 	int result;
 	struct sockaddr_storage peeraddr;
@@ -852,123 +852,6 @@ accept_err:
 	return result;
 }
 
-static int sctp_accept_from_sock(struct connection *con)
-{
-	/* Check that the new node is in the lockspace */
-	struct sctp_prim prim;
-	int nodeid;
-	int prim_len, ret;
-	int addr_len;
-	struct connection *newcon;
-	struct connection *addcon;
-	struct socket *newsock;
-
-	mutex_lock(&connections_lock);
-	if (!dlm_allow_conn) {
-		mutex_unlock(&connections_lock);
-		return -1;
-	}
-	mutex_unlock(&connections_lock);
-
-	mutex_lock_nested(&con->sock_mutex, 0);
-
-	ret = kernel_accept(con->sock, &newsock, O_NONBLOCK);
-	if (ret < 0)
-		goto accept_err;
-
-	memset(&prim, 0, sizeof(struct sctp_prim));
-	prim_len = sizeof(struct sctp_prim);
-
-	ret = kernel_getsockopt(newsock, IPPROTO_SCTP, SCTP_PRIMARY_ADDR,
-				(char *)&prim, &prim_len);
-	if (ret < 0) {
-		log_print("getsockopt/sctp_primary_addr failed: %d", ret);
-		goto accept_err;
-	}
-
-	make_sockaddr(&prim.ssp_addr, 0, &addr_len);
-	ret = addr_to_nodeid(&prim.ssp_addr, &nodeid);
-	if (ret) {
-		unsigned char *b = (unsigned char *)&prim.ssp_addr;
-
-		log_print("reject connect from unknown addr");
-		print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE,
-				     b, sizeof(struct sockaddr_storage));
-		goto accept_err;
-	}
-
-	newcon = nodeid2con(nodeid, GFP_NOFS);
-	if (!newcon) {
-		ret = -ENOMEM;
-		goto accept_err;
-	}
-
-	mutex_lock_nested(&newcon->sock_mutex, 1);
-
-	if (newcon->sock) {
-		struct connection *othercon = newcon->othercon;
-
-		if (!othercon) {
-			othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
-			if (!othercon) {
-				log_print("failed to allocate incoming socket");
-				mutex_unlock(&newcon->sock_mutex);
-				ret = -ENOMEM;
-				goto accept_err;
-			}
-			othercon->nodeid = nodeid;
-			othercon->rx_action = receive_from_sock;
-			mutex_init(&othercon->sock_mutex);
-			INIT_LIST_HEAD(&othercon->writequeue);
-			spin_lock_init(&othercon->writequeue_lock);
-			INIT_WORK(&othercon->swork, process_send_sockets);
-			INIT_WORK(&othercon->rwork, process_recv_sockets);
-			set_bit(CF_IS_OTHERCON, &othercon->flags);
-		}
-		mutex_lock_nested(&othercon->sock_mutex, 2);
-		if (!othercon->sock) {
-			newcon->othercon = othercon;
-			add_sock(newsock, othercon);
-			addcon = othercon;
-			mutex_unlock(&othercon->sock_mutex);
-		} else {
-			printk("Extra connection from node %d attempted\n", nodeid);
-			ret = -EAGAIN;
-			mutex_unlock(&othercon->sock_mutex);
-			mutex_unlock(&newcon->sock_mutex);
-			goto accept_err;
-		}
-	} else {
-		newcon->rx_action = receive_from_sock;
-		add_sock(newsock, newcon);
-		addcon = newcon;
-	}
-
-	log_print("connected to %d", nodeid);
-
-	mutex_unlock(&newcon->sock_mutex);
-
-	/*
-	 * Add it to the active queue in case we got data
-	 * between processing the accept adding the socket
-	 * to the read_sockets list
-	 */
-	if (!test_and_set_bit(CF_READ_PENDING, &addcon->flags))
-		queue_work(recv_workqueue, &addcon->rwork);
-	mutex_unlock(&con->sock_mutex);
-
-	return 0;
-
-accept_err:
-	mutex_unlock(&con->sock_mutex);
-	if (newsock)
-		sock_release(newsock);
-	if (ret != -EAGAIN)
-		log_print("error accepting connection from node: %d", ret);
-
-	return ret;
-}
-
 static void free_entry(struct writequeue_entry *e)
 {
 	__free_page(e->page);
@@ -1253,7 +1136,7 @@ static struct socket *tcp_create_listen_sock(struct connection *con,
 	write_lock_bh(&sock->sk->sk_callback_lock);
 	sock->sk->sk_user_data = con;
 	save_listen_callbacks(sock);
-	con->rx_action = tcp_accept_from_sock;
+	con->rx_action = accept_from_sock;
 	con->connect_action = tcp_connect_to_sock;
 	write_unlock_bh(&sock->sk->sk_callback_lock);
 
@@ -1340,7 +1223,7 @@ static int sctp_listen_for_all(void)
 	save_listen_callbacks(sock);
 	con->sock = sock;
 	con->sock->sk->sk_data_ready = lowcomms_data_ready;
-	con->rx_action = sctp_accept_from_sock;
+	con->rx_action = accept_from_sock;
 	con->connect_action = sctp_connect_to_sock;
 
 	write_unlock_bh(&sock->sk->sk_callback_lock);