[NETFILTER]: Convert arp_tables targets to centralized error checking

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 8 insertions, 6 deletions

diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 2fdf75da7a70..6162d0e328ec 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1143,11 +1143,13 @@ void arpt_unregister_table(struct arpt_table *table)
 /* The built-in targets: standard (NULL) and error. */
 static struct arpt_target arpt_standard_target = {
         .name           = ARPT_STANDARD_TARGET,
+        .targetsize     = sizeof(int),
 };
 
 static struct arpt_target arpt_error_target = {
         .name           = ARPT_ERROR_TARGET,
         .target         = arpt_error,
+        .targetsize     = ARPT_FUNCTION_MAXNAMELEN,
 };
 
 static struct nf_sockopt_ops arpt_sockopts = {
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index c97650a16a5b..4715cf5b06c9 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -80,12 +80,12 @@ checkentry(const char *tablename, const void *e, void *targinfo,
         return 1;
 }
 
-static struct arpt_target arpt_mangle_reg
-= {
-        .name           = "mangle",
-        .target         = target,
-        .checkentry     = checkentry,
-        .me             = THIS_MODULE,
+static struct arpt_target arpt_mangle_reg = {
+        .name           = "mangle",
+        .target         = target,
+        .targetsize     = sizeof(struct arpt_mangle),
+        .checkentry     = checkentry,
+        .me             = THIS_MODULE,
 };
 
 static int __init init(void)