netfilter: x_tables: remove ipt_unregister_table

Its the same function as ipt_unregister_table_exit.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

include/linux/netfilter_ipv4/ip_tables.h

@@ -31,9 +31,6 @@ void ipt_unregister_table_pre_exit(struct net *net, struct xt_table *table,
 
 void ipt_unregister_table_exit(struct net *net, struct xt_table *table);
 
-void ipt_unregister_table(struct net *net, struct xt_table *table,
-			  const struct nf_hook_ops *ops);
-
 /* Standard entry. */
 struct ipt_standard {
 	struct ipt_entry entry;

include/linux/netfilter_ipv6/ip6_tables.h

@@ -27,8 +27,6 @@ extern void *ip6t_alloc_initial_table(const struct xt_table *);
 int ip6t_register_table(struct net *net, const struct xt_table *table,
 			const struct ip6t_replace *repl,
 			const struct nf_hook_ops *ops, struct xt_table **res);
-void ip6t_unregister_table(struct net *net, struct xt_table *table,
-			   const struct nf_hook_ops *ops);
 void ip6t_unregister_table_pre_exit(struct net *net, struct xt_table *table,
 				    const struct nf_hook_ops *ops);
 void ip6t_unregister_table_exit(struct net *net, struct xt_table *table);

net/ipv4/netfilter/ip_tables.c

@@ -1770,14 +1770,6 @@ void ipt_unregister_table_exit(struct net *net, struct xt_table *table)
 	__ipt_unregister_table(net, table);
 }
 
-void ipt_unregister_table(struct net *net, struct xt_table *table,
-			  const struct nf_hook_ops *ops)
-{
-	if (ops)
-		ipt_unregister_table_pre_exit(net, table, ops);
-	__ipt_unregister_table(net, table);
-}
-
 /* Returns 1 if the type and code is matched by the range, 0 otherwise */
 static inline bool
 icmp_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
@@ -1924,7 +1916,6 @@ static void __exit ip_tables_fini(void)
 }
 
 EXPORT_SYMBOL(ipt_register_table);
-EXPORT_SYMBOL(ipt_unregister_table);
 EXPORT_SYMBOL(ipt_unregister_table_pre_exit);
 EXPORT_SYMBOL(ipt_unregister_table_exit);
 EXPORT_SYMBOL(ipt_do_table);

net/ipv4/netfilter/iptable_nat.c

@@ -105,7 +105,7 @@ static int __net_init iptable_nat_table_init(struct net *net)
 
 	ret = ipt_nat_register_lookups(net);
 	if (ret < 0) {
-		ipt_unregister_table(net, net->ipv4.nat_table, NULL);
+		ipt_unregister_table_exit(net, net->ipv4.nat_table);
 		net->ipv4.nat_table = NULL;
 	}
 

net/ipv6/netfilter/ip6_tables.c

@@ -1780,14 +1780,6 @@ void ip6t_unregister_table_exit(struct net *net, struct xt_table *table)
 	__ip6t_unregister_table(net, table);
 }
 
-void ip6t_unregister_table(struct net *net, struct xt_table *table,
-			   const struct nf_hook_ops *ops)
-{
-	if (ops)
-		ip6t_unregister_table_pre_exit(net, table, ops);
-	__ip6t_unregister_table(net, table);
-}
-
 /* Returns 1 if the type and code is matched by the range, 0 otherwise */
 static inline bool
 icmp6_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
@@ -1935,7 +1927,6 @@ static void __exit ip6_tables_fini(void)
 }
 
 EXPORT_SYMBOL(ip6t_register_table);
-EXPORT_SYMBOL(ip6t_unregister_table);
 EXPORT_SYMBOL(ip6t_unregister_table_pre_exit);
 EXPORT_SYMBOL(ip6t_unregister_table_exit);
 EXPORT_SYMBOL(ip6t_do_table);

net/ipv6/netfilter/ip6table_nat.c

@@ -107,7 +107,7 @@ static int __net_init ip6table_nat_table_init(struct net *net)
 
 	ret = ip6t_nat_register_lookups(net);
 	if (ret < 0) {
-		ip6t_unregister_table(net, net->ipv6.ip6table_nat, NULL);
+		ip6t_unregister_table_exit(net, net->ipv6.ip6table_nat);
 		net->ipv6.ip6table_nat = NULL;
 	}
 	kfree(repl);