[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>
diff --git a/net/netfilter/xt_length.c b/net/netfilter/xt_length.c
index 39c8fae..11a2812 100644
--- a/net/netfilter/xt_length.c
+++ b/net/netfilter/xt_length.c
@@ -50,29 +50,17 @@
return (pktlen >= info->min && pktlen <= info->max) ^ info->invert;
}
-static int
-checkentry(const char *tablename,
- const void *ip,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- if (matchsize != XT_ALIGN(sizeof(struct xt_length_info)))
- return 0;
-
- return 1;
-}
-
static struct xt_match length_match = {
.name = "length",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct xt_length_info),
.me = THIS_MODULE,
};
+
static struct xt_match length6_match = {
.name = "length",
- .match = &match6,
- .checkentry = &checkentry,
+ .match = match6,
+ .matchsize = sizeof(struct xt_length_info),
.me = THIS_MODULE,
};