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authorPatrick McHardy <kaber@trash.net>2006-03-20 18:01:58 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-20 18:01:58 -0800
commit5d04bff096180f032de8b9b12153a8a1b4009b8d (patch)
tree58aa8a8177b6d07cbce8b0c0bedeb23ecbde74d8 /net/netfilter/xt_tcpmss.c
parent7f9397138e297904bf1c717651183e785a01ff13 (diff)
[NETFILTER]: Convert x_tables matches/targets to centralized error checking
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/xt_tcpmss.c')
-rw-r--r--net/netfilter/xt_tcpmss.c51
1 files changed, 6 insertions, 45 deletions
diff --git a/net/netfilter/xt_tcpmss.c b/net/netfilter/xt_tcpmss.c
index acf7f533e9f1..95d8611eef23 100644
--- a/net/netfilter/xt_tcpmss.c
+++ b/net/netfilter/xt_tcpmss.c
@@ -92,58 +92,19 @@ match(const struct sk_buff *skb,
info->invert, hotdrop);
}
-static int
-checkentry(const char *tablename,
- const void *ipinfo,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- const struct ipt_ip *ip = ipinfo;
- if (matchsize != XT_ALIGN(sizeof(struct xt_tcpmss_match_info)))
- return 0;
-
- /* Must specify -p tcp */
- if (ip->proto != IPPROTO_TCP || (ip->invflags & IPT_INV_PROTO)) {
- printk("tcpmss: Only works on TCP packets\n");
- return 0;
- }
-
- return 1;
-}
-
-static int
-checkentry6(const char *tablename,
- const void *ipinfo,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- const struct ip6t_ip6 *ip = ipinfo;
-
- if (matchsize != XT_ALIGN(sizeof(struct xt_tcpmss_match_info)))
- return 0;
-
- /* Must specify -p tcp */
- if (ip->proto != IPPROTO_TCP || (ip->invflags & XT_INV_PROTO)) {
- printk("tcpmss: Only works on TCP packets\n");
- return 0;
- }
-
- return 1;
-}
-
static struct xt_match tcpmss_match = {
.name = "tcpmss",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct xt_tcpmss_match_info),
+ .proto = IPPROTO_TCP,
.me = THIS_MODULE,
};
static struct xt_match tcpmss6_match = {
.name = "tcpmss",
- .match = &match,
- .checkentry = &checkentry6,
+ .match = match,
+ .matchsize = sizeof(struct xt_tcpmss_match_info),
+ .proto = IPPROTO_TCP,
.me = THIS_MODULE,
};