[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>

1 files changed, 2 insertions, 15 deletions

diff --git a/net/netfilter/xt_comment.c b/net/netfilter/xt_comment.c
index 4ba6fd65c6e..b3f07aa593f 100644
--- a/net/netfilter/xt_comment.c
+++ b/net/netfilter/xt_comment.c
@@ -28,30 +28,17 @@ match(const struct sk_buff *skb,
         return 1;
 }
 
-static int
-checkentry(const char *tablename,
-           const void *ip,
-           void *matchinfo,
-           unsigned int matchsize,
-           unsigned int hook_mask)
-{
-        /* Check the size */
-        if (matchsize != XT_ALIGN(sizeof(struct xt_comment_info)))
-                return 0;
-        return 1;
-}
-
 static struct xt_match comment_match = {
         .name           = "comment",
         .match          = match,
-        .checkentry     = checkentry,
+        .matchsize      = sizeof(struct xt_comment_info),
         .me             = THIS_MODULE
 };
 
 static struct xt_match comment6_match = {
         .name           = "comment",
         .match          = match,
-        .checkentry     = checkentry,
+        .matchsize      = sizeof(struct xt_comment_info),
         .me             = THIS_MODULE
 };