netfilter: xtables: unify {ip,ip6,arp}t_error_target

Unification of struct *_error_target was forgotten in
v2.6.16-1689-g1e30a01.

Signed-off-by: Jan Engelhardt <[e-mail]>

include/linux/netfilter/x_tables.h

···
 	int verdict;
 };
 
+struct xt_error_target {
+	struct xt_entry_target target;
+	char errorname[XT_FUNCTION_MAXNAMELEN];
+};
+
 /* The argument to IPT_SO_GET_REVISION_*.  Returns highest revision
  * kernel supports, if >= revision. */
 struct xt_get_revision {

include/linux/netfilter_arp/arp_tables.h

···
 #define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
 #define arpt_entry_target xt_entry_target
 #define arpt_standard_target xt_standard_target
+#define arpt_error_target xt_error_target
 #define ARPT_CONTINUE XT_CONTINUE
 #define ARPT_RETURN XT_RETURN
 #define arpt_counters_info xt_counters_info
···
 	struct xt_standard_target target;
 };
 
-struct arpt_error_target {
-	struct xt_entry_target target;
-	char errorname[XT_FUNCTION_MAXNAMELEN];
-};
-
 struct arpt_error {
 	struct arpt_entry entry;
-	struct arpt_error_target target;
+	struct xt_error_target target;
 };
 
 #define ARPT_ENTRY_INIT(__size)						       \
···
 {									       \
 	.entry		= ARPT_ENTRY_INIT(sizeof(struct arpt_error)),	       \
 	.target		= XT_TARGET_INIT(XT_ERROR_TARGET,		       \
-					 sizeof(struct arpt_error_target)),    \
+					 sizeof(struct xt_error_target)),      \
 	.target.errorname = "ERROR",					       \
 }
 

include/linux/netfilter_ipv4/ip_tables.h

···
 #define ipt_entry_match xt_entry_match
 #define ipt_entry_target xt_entry_target
 #define ipt_standard_target xt_standard_target
+#define ipt_error_target xt_error_target
 #define ipt_counters xt_counters
 #define IPT_CONTINUE XT_CONTINUE
 #define IPT_RETURN XT_RETURN
···
 	struct xt_standard_target target;
 };
 
-struct ipt_error_target {
-	struct xt_entry_target target;
-	char errorname[XT_FUNCTION_MAXNAMELEN];
-};
-
 struct ipt_error {
 	struct ipt_entry entry;
-	struct ipt_error_target target;
+	struct xt_error_target target;
 };
 
 #define IPT_ENTRY_INIT(__size)						       \
···
 {									       \
 	.entry		= IPT_ENTRY_INIT(sizeof(struct ipt_error)),	       \
 	.target		= XT_TARGET_INIT(XT_ERROR_TARGET,		       \
-					 sizeof(struct ipt_error_target)),     \
+					 sizeof(struct xt_error_target)),      \
 	.target.errorname = "ERROR",					       \
 }
 

include/linux/netfilter_ipv6/ip6_tables.h

···
 #define ip6t_entry_match xt_entry_match
 #define ip6t_entry_target xt_entry_target
 #define ip6t_standard_target xt_standard_target
+#define ip6t_error_target xt_error_target
 #define ip6t_counters xt_counters
 #define IP6T_CONTINUE XT_CONTINUE
 #define IP6T_RETURN XT_RETURN
···
 	struct xt_standard_target target;
 };
 
-struct ip6t_error_target {
-	struct xt_entry_target target;
-	char errorname[XT_FUNCTION_MAXNAMELEN];
-};
-
 struct ip6t_error {
 	struct ip6t_entry entry;
-	struct ip6t_error_target target;
+	struct xt_error_target target;
 };
 
 #define IP6T_ENTRY_INIT(__size)						       \
···
 {									       \
 	.entry		= IP6T_ENTRY_INIT(sizeof(struct ip6t_error)),	       \
 	.target		= XT_TARGET_INIT(XT_ERROR_TARGET,		       \
-					 sizeof(struct ip6t_error_target)),    \
+					 sizeof(struct xt_error_target)),      \
 	.target.errorname = "ERROR",					       \
 }