X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_tcpmss.c;h=6771bf01275bcc5bf7df6ee1334a2f182938bfd7;hb=7c4f4578fc85d42d149f86b47f76c28626a20d92;hp=cd5f6d758c6806b46032e5c264e417ec66931acf;hpb=b91cba52e9b7b3f1c0037908a192d93a869ca9e5;p=linux-2.6

diff --git a/net/netfilter/xt_tcpmss.c b/net/netfilter/xt_tcpmss.c
index cd5f6d758c..6771bf0127 100644
--- a/net/netfilter/xt_tcpmss.c
+++ b/net/netfilter/xt_tcpmss.c
@@ -20,23 +20,22 @@
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>");
-MODULE_DESCRIPTION("iptables TCP MSS match module");
+MODULE_DESCRIPTION("Xtables: TCP MSS match");
 MODULE_ALIAS("ipt_tcpmss");
+MODULE_ALIAS("ip6t_tcpmss");
 
 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)
+tcpmss_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_tcpmss_match_info *info = matchinfo;
-	struct tcphdr _tcph, *th;
+	const struct tcphdr *th;
+	struct tcphdr _tcph;
 	/* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */
-	u8 _opt[15 * 4 - sizeof(_tcph)], *op;
+	const u_int8_t *op;
+	u8 _opt[15 * 4 - sizeof(_tcph)];
 	unsigned int i, optlen;
 
 	/* If we don't have the whole header, drop packet. */
@@ -81,11 +80,11 @@ dropit:
 	return false;
 }
 
-static struct xt_match xt_tcpmss_match[] __read_mostly = {
+static struct xt_match tcpmss_mt_reg[] __read_mostly = {
 	{
 		.name		= "tcpmss",
 		.family		= AF_INET,
-		.match		= match,
+		.match		= tcpmss_mt,
 		.matchsize	= sizeof(struct xt_tcpmss_match_info),
 		.proto		= IPPROTO_TCP,
 		.me		= THIS_MODULE,
@@ -93,23 +92,22 @@ static struct xt_match xt_tcpmss_match[] __read_mostly = {
 	{
 		.name		= "tcpmss",
 		.family		= AF_INET6,
-		.match		= match,
+		.match		= tcpmss_mt,
 		.matchsize	= sizeof(struct xt_tcpmss_match_info),
 		.proto		= IPPROTO_TCP,
 		.me		= THIS_MODULE,
 	},
 };
 
-static int __init xt_tcpmss_init(void)
+static int __init tcpmss_mt_init(void)
 {
-	return xt_register_matches(xt_tcpmss_match,
-				   ARRAY_SIZE(xt_tcpmss_match));
+	return xt_register_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg));
 }
 
-static void __exit xt_tcpmss_fini(void)
+static void __exit tcpmss_mt_exit(void)
 {
-	xt_unregister_matches(xt_tcpmss_match, ARRAY_SIZE(xt_tcpmss_match));
+	xt_unregister_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg));
 }
 
-module_init(xt_tcpmss_init);
-module_exit(xt_tcpmss_fini);
+module_init(tcpmss_mt_init);
+module_exit(tcpmss_mt_exit);