[PATCH 7/7] ipt_u32 compile fix for 2.6.21

[Jan Engelhardt]

Fix compilation of ipt_u32.

Signed-off-by: Jan Engelhardt <jengelh at gmx.de>

Index: linux-2.6.21-rc5/net/ipv4/netfilter/ipt_u32.c
===================================================================
--- linux-2.6.21-rc5.orig/net/ipv4/netfilter/ipt_u32.c
+++ linux-2.6.21-rc5/net/ipv4/netfilter/ipt_u32.c
@@ -201,35 +201,22 @@ match(const struct sk_buff *skb,
 	return 1;
 }
 
-static int
-checkentry(const char *tablename,
-           const void *ip,
-           const struct xt_match *match,
-           void *matchinfo,
-           unsigned int matchsize,
-           unsigned int hook_mask)
-{
-	if (matchsize != IPT_ALIGN(sizeof(struct ipt_u32)))
-		return 0;
-	return 1;
-}
-
-static struct ipt_match u32_match = { 
+static struct xt_match u32_match = { 
 	.name 		= "u32",
+	.family		= AF_INET,
 	.match		= &match,
 	.matchsize	= sizeof(struct ipt_u32),
-	.checkentry	= &checkentry,
 	.me		= THIS_MODULE
 };
 
 static int __init init(void)
 {
-	return ipt_register_match(&u32_match);
+	return xt_register_match(&u32_match);
 }
 
 static void __exit fini(void)
 {
-	ipt_unregister_match(&u32_match);
+	xt_unregister_match(&u32_match);
 }
 
 module_init(init);