[NETFILTER]: x_tables: remove duplicate of xt_prefix

Remove xt_proto_prefix array which duplicates xt_prefix and change all
users of xt_proto_prefix to xt_prefix.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/netfilter/x_tables.c

@@ -56,8 +56,8 @@ enum {
 };
 
 static const char *xt_prefix[NPROTO] = {
-	[AF_INET] 	= "ip",
-	[AF_INET6] 	= "ip6",
+	[AF_INET]	= "ip",
+	[AF_INET6]	= "ip6",
 	[NF_ARP]	= "arp",
 };
 
@@ -651,12 +651,6 @@ void *xt_unregister_table(struct xt_table *table)
 EXPORT_SYMBOL_GPL(xt_unregister_table);
 
 #ifdef CONFIG_PROC_FS
-static char *xt_proto_prefix[NPROTO] = {
-	[AF_INET]	= "ip",
-	[AF_INET6]	= "ip6",
-	[NF_ARP]	= "arp",
-};
-
 static struct list_head *xt_get_idx(struct list_head *list, struct seq_file *seq, loff_t pos)
 {
 	struct list_head *head = list->next;
@@ -798,7 +792,7 @@ int xt_proto_init(int af)
 
 
 #ifdef CONFIG_PROC_FS
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TABLES, sizeof(buf));
 	proc = proc_net_fops_create(buf, 0440, &xt_file_ops);
 	if (!proc)
@@ -806,14 +800,14 @@ int xt_proto_init(int af)
 	proc->data = (void *) ((unsigned long) af | (TABLE << 16));
 
 
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_MATCHES, sizeof(buf));
 	proc = proc_net_fops_create(buf, 0440, &xt_file_ops);
 	if (!proc)
 		goto out_remove_tables;
 	proc->data = (void *) ((unsigned long) af | (MATCH << 16));
 
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TARGETS, sizeof(buf));
 	proc = proc_net_fops_create(buf, 0440, &xt_file_ops);
 	if (!proc)
@@ -825,12 +819,12 @@ int xt_proto_init(int af)
 
 #ifdef CONFIG_PROC_FS
 out_remove_matches:
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_MATCHES, sizeof(buf));
 	proc_net_remove(buf);
 
 out_remove_tables:
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TABLES, sizeof(buf));
 	proc_net_remove(buf);
 out:
@@ -844,15 +838,15 @@ void xt_proto_fini(int af)
 #ifdef CONFIG_PROC_FS
 	char buf[XT_FUNCTION_MAXNAMELEN];
 
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TABLES, sizeof(buf));
 	proc_net_remove(buf);
 
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TARGETS, sizeof(buf));
 	proc_net_remove(buf);
 
-	strlcpy(buf, xt_proto_prefix[af], sizeof(buf));
+	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_MATCHES, sizeof(buf));
 	proc_net_remove(buf);
 #endif /*CONFIG_PROC_FS*/