[NETFILTER]: x_tables: consistent and unique symbol names

Give all Netfilter modules consistent and unique symbol names.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_realm.c b/net/netfilter/xt_realm.c
index 91113dc..63289b4 100644
--- a/net/netfilter/xt_realm.c
+++ b/net/netfilter/xt_realm.c
@@ -22,14 +22,10 @@
 MODULE_ALIAS("ipt_realm");
 
 static bool
-match(const struct sk_buff *skb,
-      const struct net_device *in,
-      const struct net_device *out,
-      const struct xt_match *match,
-      const void *matchinfo,
-      int offset,
-      unsigned int protoff,
-      bool *hotdrop)
+realm_mt(const struct sk_buff *skb, const struct net_device *in,
+         const struct net_device *out, const struct xt_match *match,
+         const void *matchinfo, int offset, unsigned int protoff,
+         bool *hotdrop)
 {
 	const struct xt_realm_info *info = matchinfo;
 	const struct dst_entry *dst = skb->dst;
@@ -37,9 +33,9 @@
 	return (info->id == (dst->tclassid & info->mask)) ^ info->invert;
 }
 
-static struct xt_match realm_match __read_mostly = {
+static struct xt_match realm_mt_reg __read_mostly = {
 	.name		= "realm",
-	.match		= match,
+	.match		= realm_mt,
 	.matchsize	= sizeof(struct xt_realm_info),
 	.hooks		= (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_FORWARD) |
 			  (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_LOCAL_IN),
@@ -47,15 +43,15 @@
 	.me		= THIS_MODULE
 };
 
-static int __init xt_realm_init(void)
+static int __init realm_mt_init(void)
 {
-	return xt_register_match(&realm_match);
+	return xt_register_match(&realm_mt_reg);
 }
 
-static void __exit xt_realm_fini(void)
+static void __exit realm_mt_exit(void)
 {
-	xt_unregister_match(&realm_match);
+	xt_unregister_match(&realm_mt_reg);
 }
 
-module_init(xt_realm_init);
-module_exit(xt_realm_fini);
+module_init(realm_mt_init);
+module_exit(realm_mt_exit);