From c3aa1bd3768e278512f7583ce5f5fe84f466345d Mon Sep 17 00:00:00 2001
From: Julian Anastasov <ja@ssi.bg>
Date: Mon, 30 May 2011 00:02:23 +0300
Subject: ipvs: support more FTP PASV responses

	Change the parsing of FTP commands and responses to
support skip character. It allows to detect variations in
the 227 PASV response.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index af63553..4490a32 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -44,8 +44,8 @@
 #include <net/ip_vs.h>
 
 
-#define SERVER_STRING "227 Entering Passive Mode ("
-#define CLIENT_STRING "PORT "
+#define SERVER_STRING "227 "
+#define CLIENT_STRING "PORT"
 
 
 /*
@@ -79,14 +79,17 @@ ip_vs_ftp_done_conn(struct ip_vs_app *app, struct ip_vs_conn *cp)
 
 /*
  * Get <addr,port> from the string "xxx.xxx.xxx.xxx,ppp,ppp", started
- * with the "pattern" and terminated with the "term" character.
+ * with the "pattern", ignoring before "skip" and terminated with
+ * the "term" character.
  * <addr,port> is in network order.
  */
 static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
-				  const char *pattern, size_t plen, char term,
+				  const char *pattern, size_t plen,
+				  char skip, char term,
 				  __be32 *addr, __be16 *port,
 				  char **start, char **end)
 {
+	char *s, c;
 	unsigned char p[6];
 	int i = 0;
 
@@ -101,19 +104,38 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
 	if (strnicmp(data, pattern, plen) != 0) {
 		return 0;
 	}
-	*start = data + plen;
+	s = data + plen;
+	if (skip) {
+		int found = 0;
+
+		for (;; s++) {
+			if (s == data_limit)
+				return -1;
+			if (!found) {
+				if (*s == skip)
+					found = 1;
+			} else if (*s != skip) {
+				break;
+			}
+		}
+	}
 
-	for (data = *start; *data != term; data++) {
+	for (data = s; ; data++) {
 		if (data == data_limit)
 			return -1;
+		if (*data == term)
+			break;
 	}
 	*end = data;
 
 	memset(p, 0, sizeof(p));
-	for (data = *start; data != *end; data++) {
-		if (*data >= '0' && *data <= '9') {
-			p[i] = p[i]*10 + *data - '0';
-		} else if (*data == ',' && i < 5) {
+	for (data = s; ; data++) {
+		c = *data;
+		if (c == term)
+			break;
+		if (c >= '0' && c <= '9') {
+			p[i] = p[i]*10 + c - '0';
+		} else if (c == ',' && i < 5) {
 			i++;
 		} else {
 			/* unexpected character */
@@ -124,8 +146,9 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
 	if (i != 5)
 		return -1;
 
-	*addr = get_unaligned((__be32 *)p);
-	*port = get_unaligned((__be16 *)(p + 4));
+	*start = s;
+	*addr = get_unaligned((__be32 *) p);
+	*port = get_unaligned((__be16 *) (p + 4));
 	return 1;
 }
 
@@ -185,7 +208,8 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 
 		if (ip_vs_ftp_get_addrport(data, data_limit,
 					   SERVER_STRING,
-					   sizeof(SERVER_STRING)-1, ')',
+					   sizeof(SERVER_STRING)-1,
+					   '(', ')',
 					   &from.ip, &port,
 					   &start, &end) != 1)
 			return 1;
@@ -345,7 +369,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	 */
 	if (ip_vs_ftp_get_addrport(data_start, data_limit,
 				   CLIENT_STRING, sizeof(CLIENT_STRING)-1,
-				   '\r', &to.ip, &port,
+				   ' ', '\r', &to.ip, &port,
 				   &start, &end) != 1)
 		return 1;
 
-- 
cgit v0.10.2


From ed78bec4d6873e8971f56557f8ca3bcda38044ea Mon Sep 17 00:00:00 2001
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Date: Fri, 10 Jun 2011 10:19:09 +0200
Subject: IPVS remove unused var from migration to netns

Remove variable ctl_key from struct netns_ipvs,
it's a leftover from early netns work.

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 481f856..34a6fa8 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -836,8 +836,6 @@ struct netns_ipvs {
 	int			num_services;    /* no of virtual services */
 
 	rwlock_t		rs_lock;         /* real services table */
-	/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
-	struct lock_class_key	ctl_key;	/* ctl_mutex debuging */
 	/* Trash for destinations */
 	struct list_head	dest_trash;
 	/* Service counters */
-- 
cgit v0.10.2


From 503cf15a5ecc0f3f7a05ffe04c89fb7496100ee7 Mon Sep 17 00:00:00 2001
From: Hans Schillstrom <hans@schillstrom.com>
Date: Sun, 1 May 2011 18:50:16 +0200
Subject: IPVS: rename of netns init and cleanup functions.

Make it more clear what the functions does,
on request by Julian.

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 34a6fa8..1b0985f 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1087,19 +1087,19 @@ ip_vs_control_add(struct ip_vs_conn *cp, struct ip_vs_conn *ctl_cp)
 /*
  * IPVS netns init & cleanup functions
  */
-extern int __ip_vs_estimator_init(struct net *net);
-extern int __ip_vs_control_init(struct net *net);
-extern int __ip_vs_protocol_init(struct net *net);
-extern int __ip_vs_app_init(struct net *net);
-extern int __ip_vs_conn_init(struct net *net);
-extern int __ip_vs_sync_init(struct net *net);
-extern void __ip_vs_conn_cleanup(struct net *net);
-extern void __ip_vs_app_cleanup(struct net *net);
-extern void __ip_vs_protocol_cleanup(struct net *net);
-extern void __ip_vs_control_cleanup(struct net *net);
-extern void __ip_vs_estimator_cleanup(struct net *net);
-extern void __ip_vs_sync_cleanup(struct net *net);
-extern void __ip_vs_service_cleanup(struct net *net);
+extern int ip_vs_estimator_net_init(struct net *net);
+extern int ip_vs_control_net_init(struct net *net);
+extern int ip_vs_protocol_net_init(struct net *net);
+extern int ip_vs_app_net_init(struct net *net);
+extern int ip_vs_conn_net_init(struct net *net);
+extern int ip_vs_sync_net_init(struct net *net);
+extern void ip_vs_conn_net_cleanup(struct net *net);
+extern void ip_vs_app_net_cleanup(struct net *net);
+extern void ip_vs_protocol_net_cleanup(struct net *net);
+extern void ip_vs_control_net_cleanup(struct net *net);
+extern void ip_vs_estimator_net_cleanup(struct net *net);
+extern void ip_vs_sync_net_cleanup(struct net *net);
+extern void ip_vs_service_net_cleanup(struct net *net);
 
 /*
  *      IPVS application functions
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 059af31..e223fb7 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -576,7 +576,7 @@ static const struct file_operations ip_vs_app_fops = {
 };
 #endif
 
-int __net_init __ip_vs_app_init(struct net *net)
+int __net_init ip_vs_app_net_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -585,7 +585,7 @@ int __net_init __ip_vs_app_init(struct net *net)
 	return 0;
 }
 
-void __net_exit __ip_vs_app_cleanup(struct net *net)
+void __net_exit ip_vs_app_net_cleanup(struct net *net)
 {
 	proc_net_remove(net, "ip_vs_app");
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index bf28ac2..77c61b0 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1247,7 +1247,7 @@ flush_again:
 /*
  * per netns init and exit
  */
-int __net_init __ip_vs_conn_init(struct net *net)
+int __net_init ip_vs_conn_net_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -1258,7 +1258,7 @@ int __net_init __ip_vs_conn_init(struct net *net)
 	return 0;
 }
 
-void __net_exit __ip_vs_conn_cleanup(struct net *net)
+void __net_exit ip_vs_conn_net_cleanup(struct net *net)
 {
 	/* flush all the connection entries first */
 	ip_vs_conn_flush(net);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index bfa808f..7c2c726 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1891,22 +1891,22 @@ static int __net_init __ip_vs_init(struct net *net)
 	atomic_inc(&ipvs_netns_cnt);
 	net->ipvs = ipvs;
 
-	if (__ip_vs_estimator_init(net) < 0)
+	if (ip_vs_estimator_net_init(net) < 0)
 		goto estimator_fail;
 
-	if (__ip_vs_control_init(net) < 0)
+	if (ip_vs_control_net_init(net) < 0)
 		goto control_fail;
 
-	if (__ip_vs_protocol_init(net) < 0)
+	if (ip_vs_protocol_net_init(net) < 0)
 		goto protocol_fail;
 
-	if (__ip_vs_app_init(net) < 0)
+	if (ip_vs_app_net_init(net) < 0)
 		goto app_fail;
 
-	if (__ip_vs_conn_init(net) < 0)
+	if (ip_vs_conn_net_init(net) < 0)
 		goto conn_fail;
 
-	if (__ip_vs_sync_init(net) < 0)
+	if (ip_vs_sync_net_init(net) < 0)
 		goto sync_fail;
 
 	printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n",
@@ -1917,27 +1917,27 @@ static int __net_init __ip_vs_init(struct net *net)
  */
 
 sync_fail:
-	__ip_vs_conn_cleanup(net);
+	ip_vs_conn_net_cleanup(net);
 conn_fail:
-	__ip_vs_app_cleanup(net);
+	ip_vs_app_net_cleanup(net);
 app_fail:
-	__ip_vs_protocol_cleanup(net);
+	ip_vs_protocol_net_cleanup(net);
 protocol_fail:
-	__ip_vs_control_cleanup(net);
+	ip_vs_control_net_cleanup(net);
 control_fail:
-	__ip_vs_estimator_cleanup(net);
+	ip_vs_estimator_net_cleanup(net);
 estimator_fail:
 	return -ENOMEM;
 }
 
 static void __net_exit __ip_vs_cleanup(struct net *net)
 {
-	__ip_vs_service_cleanup(net);	/* ip_vs_flush() with locks */
-	__ip_vs_conn_cleanup(net);
-	__ip_vs_app_cleanup(net);
-	__ip_vs_protocol_cleanup(net);
-	__ip_vs_control_cleanup(net);
-	__ip_vs_estimator_cleanup(net);
+	ip_vs_service_net_cleanup(net);	/* ip_vs_flush() with locks */
+	ip_vs_conn_net_cleanup(net);
+	ip_vs_app_net_cleanup(net);
+	ip_vs_protocol_net_cleanup(net);
+	ip_vs_control_net_cleanup(net);
+	ip_vs_estimator_net_cleanup(net);
 	IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
 }
 
@@ -1945,7 +1945,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
 {
 	EnterFunction(2);
 	net_ipvs(net)->enable = 0;	/* Disable packet reception */
-	__ip_vs_sync_cleanup(net);
+	ip_vs_sync_net_cleanup(net);
 	LeaveFunction(2);
 }
 
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 699c79a..6bedea1 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1483,7 +1483,7 @@ static int ip_vs_flush(struct net *net)
  *	Delete service by {netns} in the service table.
  *	Called by __ip_vs_cleanup()
  */
-void __ip_vs_service_cleanup(struct net *net)
+void ip_vs_service_net_cleanup(struct net *net)
 {
 	EnterFunction(2);
 	/* Check for "full" addressed entries */
@@ -1662,7 +1662,7 @@ proc_do_sync_mode(ctl_table *table, int write,
 /*
  *	IPVS sysctl table (under the /proc/sys/net/ipv4/vs/)
  *	Do not change order or insert new entries without
- *	align with netns init in __ip_vs_control_init()
+ *	align with netns init in ip_vs_control_net_init()
  */
 
 static struct ctl_table vs_vars[] = {
@@ -3595,7 +3595,7 @@ static void ip_vs_genl_unregister(void)
  * per netns intit/exit func.
  */
 #ifdef CONFIG_SYSCTL
-int __net_init __ip_vs_control_init_sysctl(struct net *net)
+int __net_init ip_vs_control_net_init_sysctl(struct net *net)
 {
 	int idx;
 	struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3654,7 +3654,7 @@ int __net_init __ip_vs_control_init_sysctl(struct net *net)
 	return 0;
 }
 
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -3665,8 +3665,8 @@ void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
 
 #else
 
-int __net_init __ip_vs_control_init_sysctl(struct net *net) { return 0; }
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net) { }
+int __net_init ip_vs_control_net_init_sysctl(struct net *net) { return 0; }
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net) { }
 
 #endif
 
@@ -3674,7 +3674,7 @@ static struct notifier_block ip_vs_dst_notifier = {
 	.notifier_call = ip_vs_dst_event,
 };
 
-int __net_init __ip_vs_control_init(struct net *net)
+int __net_init ip_vs_control_net_init(struct net *net)
 {
 	int idx;
 	struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3702,7 +3702,7 @@ int __net_init __ip_vs_control_init(struct net *net)
 	proc_net_fops_create(net, "ip_vs_stats_percpu", 0,
 			     &ip_vs_stats_percpu_fops);
 
-	if (__ip_vs_control_init_sysctl(net))
+	if (ip_vs_control_net_init_sysctl(net))
 		goto err;
 
 	return 0;
@@ -3712,13 +3712,13 @@ err:
 	return -ENOMEM;
 }
 
-void __net_exit __ip_vs_control_cleanup(struct net *net)
+void __net_exit ip_vs_control_net_cleanup(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	ip_vs_trash_cleanup(net);
 	ip_vs_stop_estimator(net, &ipvs->tot_stats);
-	__ip_vs_control_cleanup_sysctl(net);
+	ip_vs_control_net_cleanup_sysctl(net);
 	proc_net_remove(net, "ip_vs_stats_percpu");
 	proc_net_remove(net, "ip_vs_stats");
 	proc_net_remove(net, "ip_vs");
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 508cce9..f5d2a01 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -192,7 +192,7 @@ void ip_vs_read_estimator(struct ip_vs_stats_user *dst,
 	dst->outbps = (e->outbps + 0xF) >> 5;
 }
 
-int __net_init __ip_vs_estimator_init(struct net *net)
+int __net_init ip_vs_estimator_net_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -203,7 +203,7 @@ int __net_init __ip_vs_estimator_init(struct net *net)
 	return 0;
 }
 
-void __net_exit __ip_vs_estimator_cleanup(struct net *net)
+void __net_exit ip_vs_estimator_net_cleanup(struct net *net)
 {
 	del_timer_sync(&net_ipvs(net)->est_timer);
 }
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index eb86028..52d073c 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -316,7 +316,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
 /*
  * per network name-space init
  */
-int __net_init __ip_vs_protocol_init(struct net *net)
+int __net_init ip_vs_protocol_net_init(struct net *net)
 {
 #ifdef CONFIG_IP_VS_PROTO_TCP
 	register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
@@ -336,7 +336,7 @@ int __net_init __ip_vs_protocol_init(struct net *net)
 	return 0;
 }
 
-void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+void __net_exit ip_vs_protocol_net_cleanup(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_proto_data *pd;
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index e292e5b..58bfabb 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1663,7 +1663,7 @@ int stop_sync_thread(struct net *net, int state)
 /*
  * Initialize data struct for each netns
  */
-int __net_init __ip_vs_sync_init(struct net *net)
+int __net_init ip_vs_sync_net_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -1677,7 +1677,7 @@ int __net_init __ip_vs_sync_init(struct net *net)
 	return 0;
 }
 
-void __ip_vs_sync_cleanup(struct net *net)
+void ip_vs_sync_net_cleanup(struct net *net)
 {
 	int retc;
 
-- 
cgit v0.10.2


From 552ad65aa58125769c16cf6a105229b259686d25 Mon Sep 17 00:00:00 2001
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Date: Mon, 13 Jun 2011 12:19:26 +0200
Subject: IPVS: labels at pos 0

Put goto labels at the beginig of row
acording to coding style example.

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 7c2c726..6cefe32 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1384,7 +1384,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 		offset += 2 * sizeof(__u16);
 	verdict = ip_vs_icmp_xmit(skb, cp, pp, offset, hooknum);
 
-  out:
+out:
 	__ip_vs_conn_put(cp);
 
 	return verdict;
@@ -2018,14 +2018,14 @@ cleanup_sub:
 	unregister_pernet_subsys(&ipvs_core_ops);
 cleanup_sync:
 	ip_vs_sync_cleanup();
-  cleanup_conn:
+cleanup_conn:
 	ip_vs_conn_cleanup();
-  cleanup_app:
+cleanup_app:
 	ip_vs_app_cleanup();
-  cleanup_protocol:
+cleanup_protocol:
 	ip_vs_protocol_cleanup();
 	ip_vs_control_cleanup();
-  cleanup_estimator:
+cleanup_estimator:
 	ip_vs_estimator_cleanup();
 	return ret;
 }
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 6bedea1..be43fd8 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1334,9 +1334,9 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
 		ip_vs_bind_pe(svc, pe);
 	}
 
-  out_unlock:
+out_unlock:
 	write_unlock_bh(&__ip_vs_svc_lock);
-  out:
+out:
 	ip_vs_scheduler_put(old_sched);
 	ip_vs_pe_put(old_pe);
 	return ret;
@@ -2469,7 +2469,7 @@ __ip_vs_get_service_entries(struct net *net,
 			count++;
 		}
 	}
-  out:
+out:
 	return ret;
 }
 
@@ -2707,7 +2707,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 		ret = -EINVAL;
 	}
 
-  out:
+out:
 	mutex_unlock(&__ip_vs_mutex);
 	return ret;
 }
-- 
cgit v0.10.2


From 6c8f7949931854be360fcc7f008f2672dc17996f Mon Sep 17 00:00:00 2001
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Date: Mon, 13 Jun 2011 12:19:27 +0200
Subject: IPVS: remove unused init and cleanup functions.

After restructuring, there is some unused or empty functions
left to be removed.

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 1b0985f..b1370c4 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1117,8 +1117,6 @@ extern void ip_vs_app_inc_put(struct ip_vs_app *inc);
 
 extern int ip_vs_app_pkt_out(struct ip_vs_conn *, struct sk_buff *skb);
 extern int ip_vs_app_pkt_in(struct ip_vs_conn *, struct sk_buff *skb);
-extern int ip_vs_app_init(void);
-extern void ip_vs_app_cleanup(void);
 
 void ip_vs_bind_pe(struct ip_vs_service *svc, struct ip_vs_pe *pe);
 void ip_vs_unbind_pe(struct ip_vs_service *svc);
@@ -1221,15 +1219,11 @@ extern int start_sync_thread(struct net *net, int state, char *mcast_ifn,
 			     __u8 syncid);
 extern int stop_sync_thread(struct net *net, int state);
 extern void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp);
-extern int ip_vs_sync_init(void);
-extern void ip_vs_sync_cleanup(void);
 
 
 /*
  *      IPVS rate estimator prototypes (from ip_vs_est.c)
  */
-extern int ip_vs_estimator_init(void);
-extern void ip_vs_estimator_cleanup(void);
 extern void ip_vs_start_estimator(struct net *net, struct ip_vs_stats *stats);
 extern void ip_vs_stop_estimator(struct net *net, struct ip_vs_stats *stats);
 extern void ip_vs_zero_estimator(struct ip_vs_stats *stats);
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index e223fb7..fe6cb43 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -589,13 +589,3 @@ void __net_exit ip_vs_app_net_cleanup(struct net *net)
 {
 	proc_net_remove(net, "ip_vs_app");
 }
-
-int __init ip_vs_app_init(void)
-{
-	return 0;
-}
-
-
-void ip_vs_app_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 6cefe32..2200bae 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1967,36 +1967,23 @@ static int __init ip_vs_init(void)
 {
 	int ret;
 
-	ip_vs_estimator_init();
 	ret = ip_vs_control_init();
 	if (ret < 0) {
 		pr_err("can't setup control.\n");
-		goto cleanup_estimator;
+		goto exit;
 	}
 
 	ip_vs_protocol_init();
 
-	ret = ip_vs_app_init();
-	if (ret < 0) {
-		pr_err("can't setup application helper.\n");
-		goto cleanup_protocol;
-	}
-
 	ret = ip_vs_conn_init();
 	if (ret < 0) {
 		pr_err("can't setup connection table.\n");
-		goto cleanup_app;
-	}
-
-	ret = ip_vs_sync_init();
-	if (ret < 0) {
-		pr_err("can't setup sync data.\n");
-		goto cleanup_conn;
+		goto cleanup_protocol;
 	}
 
 	ret = register_pernet_subsys(&ipvs_core_ops);	/* Alloc ip_vs struct */
 	if (ret < 0)
-		goto cleanup_sync;
+		goto cleanup_conn;
 
 	ret = register_pernet_device(&ipvs_core_dev_ops);
 	if (ret < 0)
@@ -2016,17 +2003,12 @@ cleanup_dev:
 	unregister_pernet_device(&ipvs_core_dev_ops);
 cleanup_sub:
 	unregister_pernet_subsys(&ipvs_core_ops);
-cleanup_sync:
-	ip_vs_sync_cleanup();
 cleanup_conn:
 	ip_vs_conn_cleanup();
-cleanup_app:
-	ip_vs_app_cleanup();
 cleanup_protocol:
 	ip_vs_protocol_cleanup();
 	ip_vs_control_cleanup();
-cleanup_estimator:
-	ip_vs_estimator_cleanup();
+exit:
 	return ret;
 }
 
@@ -2035,12 +2017,9 @@ static void __exit ip_vs_cleanup(void)
 	nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
 	unregister_pernet_device(&ipvs_core_dev_ops);
 	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
-	ip_vs_sync_cleanup();
 	ip_vs_conn_cleanup();
-	ip_vs_app_cleanup();
 	ip_vs_protocol_cleanup();
 	ip_vs_control_cleanup();
-	ip_vs_estimator_cleanup();
 	pr_info("ipvs unloaded.\n");
 }
 
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index f5d2a01..0fac601 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -207,12 +207,3 @@ void __net_exit ip_vs_estimator_net_cleanup(struct net *net)
 {
 	del_timer_sync(&net_ipvs(net)->est_timer);
 }
-
-int __init ip_vs_estimator_init(void)
-{
-	return 0;
-}
-
-void ip_vs_estimator_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 58bfabb..7ee7215 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1689,12 +1689,3 @@ void ip_vs_sync_net_cleanup(struct net *net)
 	if (retc && retc != -ESRCH)
 		pr_err("Failed to stop Backup Daemon\n");
 }
-
-int __init ip_vs_sync_init(void)
-{
-	return 0;
-}
-
-void ip_vs_sync_cleanup(void)
-{
-}
-- 
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