[PATCH 7/7] ipt_u32 compile fix for 2.6.21

[Jan Engelhardt <jengelh@linux01.gwdg.de>]

Fix compilation of ipt_u32.

Signed-off-by: Jan Engelhardt <jengelh@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);