[PATCH] netfilter: ipvs: fix compiler warnings

[Changli Gao <xiaosuo@gmail.com>]

Fix compiler warnings when no transport protocol load balancing support
is configured.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
---
 net/netfilter/ipvs/ip_vs_core.c  |    4 +---
 net/netfilter/ipvs/ip_vs_ctl.c   |    4 ++++
 net/netfilter/ipvs/ip_vs_proto.c |    4 ++++
 3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index f36a84f..d889f4f 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1894,9 +1894,7 @@ static int __net_init __ip_vs_init(struct net *net)
 
 static void __net_exit __ip_vs_cleanup(struct net *net)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
-	IP_VS_DBG(10, "ipvs netns %d released\n", ipvs->gen);
+	IP_VS_DBG(10, "ipvs netns %d released\n", net_ipvs(net)->gen);
 }
 
 static struct pernet_operations ipvs_core_ops = {
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 09ca2ce..68b8033 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -2062,7 +2062,9 @@ static const struct file_operations ip_vs_stats_percpu_fops = {
  */
 static int ip_vs_set_timeout(struct net *net, struct ip_vs_timeout_user *u)
 {
+#if defined(CONFIG_IP_VS_PROTO_TCP) || defined(CONFIG_IP_VS_PROTO_UDP)
 	struct ip_vs_proto_data *pd;
+#endif
 
 	IP_VS_DBG(2, "Setting timeout tcp:%d tcpfin:%d udp:%d\n",
 		  u->tcp_timeout,
@@ -2405,7 +2407,9 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
 static inline void
 __ip_vs_get_timeouts(struct net *net, struct ip_vs_timeout_user *u)
 {
+#if defined(CONFIG_IP_VS_PROTO_TCP) || defined(CONFIG_IP_VS_PROTO_UDP)
 	struct ip_vs_proto_data *pd;
+#endif
 
 #ifdef CONFIG_IP_VS_PROTO_TCP
 	pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 6ac986c..17484a4 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -60,6 +60,9 @@ static int __used __init register_ip_vs_protocol(struct ip_vs_protocol *pp)
 	return 0;
 }
 
+#if defined(CONFIG_IP_VS_PROTO_TCP) || defined(CONFIG_IP_VS_PROTO_UDP) || \
+    defined(CONFIG_IP_VS_PROTO_SCTP) || defined(CONFIG_IP_VS_PROTO_AH) || \
+    defined(CONFIG_IP_VS_PROTO_ESP)
 /*
  *	register an ipvs protocols netns related data
  */
@@ -85,6 +88,7 @@ register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
 
 	return 0;
 }
+#endif
 
 /*
  *	unregister an ipvs protocol