IPVS: Conditionally define and use ip_vs_lblc{r}_table

ip_vs_lblc_table and ip_vs_lblcr_table, and code that uses them
are unnecessary when CONFIG_SYSCTL is undefined.

Signed-off-by: Simon Horman <horms@verge.net.au>

2 files changed, 20 insertions, 9 deletions

diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 51a27f58030d..f276df9896b3 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -114,7 +114,7 @@ struct ip_vs_lblc_table {
 /*
  *      IPVS LBLC sysctl table
  */
-
+#ifdef CONFIG_SYSCTL
 static ctl_table vs_vars_table[] = {
         {
                 .procname       = "lblc_expiration",
@@ -125,6 +125,7 @@ static ctl_table vs_vars_table[] = {
         },
         { }
 };
+#endif
 
 static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en)
 {
@@ -548,6 +549,7 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
 /*
  *  per netns init.
  */
+#ifdef CONFIG_SYSCTL
 static int __net_init __ip_vs_lblc_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
@@ -563,7 +565,6 @@ static int __net_init __ip_vs_lblc_init(struct net *net)
         ipvs->sysctl_lblc_expiration = DEFAULT_EXPIRATION;
         ipvs->lblc_ctl_table[0].data = &ipvs->sysctl_lblc_expiration;
 
-#ifdef CONFIG_SYSCTL
         ipvs->lblc_ctl_header =
                 register_net_sysctl_table(net, net_vs_ctl_path,
                                           ipvs->lblc_ctl_table);
@@ -572,7 +573,6 @@ static int __net_init __ip_vs_lblc_init(struct net *net)
                         kfree(ipvs->lblc_ctl_table);
                 return -ENOMEM;
         }
-#endif
 
         return 0;
 }
@@ -581,14 +581,19 @@ static void __net_exit __ip_vs_lblc_exit(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
-#ifdef CONFIG_SYSCTL
         unregister_net_sysctl_table(ipvs->lblc_ctl_header);
-#endif
 
         if (!net_eq(net, &init_net))
                 kfree(ipvs->lblc_ctl_table);
 }
 
+#else
+
+static int __net_init __ip_vs_lblc_init(struct net *net) { return 0; }
+static void __net_exit __ip_vs_lblc_exit(struct net *net) { }
+
+#endif
+
 static struct pernet_operations ip_vs_lblc_ops = {
         .init = __ip_vs_lblc_init,
         .exit = __ip_vs_lblc_exit,
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index 7fb919061296..cb1c9913d38b 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -285,6 +285,7 @@ struct ip_vs_lblcr_table {
 };
 
 
+#ifdef CONFIG_SYSCTL
 /*
  *      IPVS LBLCR sysctl table
  */
@@ -299,6 +300,7 @@ static ctl_table vs_vars_table[] = {
         },
         { }
 };
+#endif
 
 static inline void ip_vs_lblcr_free(struct ip_vs_lblcr_entry *en)
 {
@@ -743,6 +745,7 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
 /*
  *  per netns init.
  */
+#ifdef CONFIG_SYSCTL
 static int __net_init __ip_vs_lblcr_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
@@ -758,7 +761,6 @@ static int __net_init __ip_vs_lblcr_init(struct net *net)
         ipvs->sysctl_lblcr_expiration = DEFAULT_EXPIRATION;
         ipvs->lblcr_ctl_table[0].data = &ipvs->sysctl_lblcr_expiration;
 
-#ifdef CONFIG_SYSCTL
         ipvs->lblcr_ctl_header =
                 register_net_sysctl_table(net, net_vs_ctl_path,
                                           ipvs->lblcr_ctl_table);
@@ -767,7 +769,6 @@ static int __net_init __ip_vs_lblcr_init(struct net *net)
                         kfree(ipvs->lblcr_ctl_table);
                 return -ENOMEM;
         }
-#endif
 
         return 0;
 }
@@ -776,14 +777,19 @@ static void __net_exit __ip_vs_lblcr_exit(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
-#ifdef CONFIG_SYSCTL
         unregister_net_sysctl_table(ipvs->lblcr_ctl_header);
-#endif
 
         if (!net_eq(net, &init_net))
                 kfree(ipvs->lblcr_ctl_table);
 }
 
+#else
+
+static int __net_init __ip_vs_lblcr_init(struct net *net) { return 0; }
+static void __net_exit __ip_vs_lblcr_exit(struct net *net) { }
+
+#endif
+
 static struct pernet_operations ip_vs_lblcr_ops = {
         .init = __ip_vs_lblcr_init,
         .exit = __ip_vs_lblcr_exit,