[IPV4/IPV6/DECNET]: Small cleanup for fib rules.

This patch slightly cleanups FIB rules framework. rules_list as a pointer
on struct fib_rules_ops is useless. It is always assigned with a static
per/subsystem list in IPv4, IPv6 and DecNet.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 7 deletions

diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 84ff3dd37070..ddd3f04f0919 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -57,8 +57,6 @@ static struct dn_fib_rule default_rule = {
         },
 };
 
-static LIST_HEAD(dn_fib_rules);
-
 
 int dn_fib_lookup(struct flowi *flp, struct dn_fib_res *res)
 {
@@ -228,9 +226,9 @@ static u32 dn_fib_rule_default_pref(void)
         struct list_head *pos;
         struct fib_rule *rule;
 
-        if (!list_empty(&dn_fib_rules)) {
-                pos = dn_fib_rules.next;
-                if (pos->next != &dn_fib_rules) {
+        if (!list_empty(&dn_fib_rules_ops.rules_list)) {
+                pos = dn_fib_rules_ops.rules_list.next;
+                if (pos->next != &dn_fib_rules_ops.rules_list) {
                         rule = list_entry(pos->next, struct fib_rule, list);
                         if (rule->pref)
                                 return rule->pref - 1;
@@ -258,13 +256,14 @@ static struct fib_rules_ops dn_fib_rules_ops = {
         .flush_cache    = dn_fib_rule_flush_cache,
         .nlgroup        = RTNLGRP_DECnet_RULE,
         .policy         = dn_fib_rule_policy,
-        .rules_list     = &dn_fib_rules,
+        .rules_list     = LIST_HEAD_INIT(dn_fib_rules_ops.rules_list),
         .owner          = THIS_MODULE,
 };
 
 void __init dn_fib_rules_init(void)
 {
-        list_add_tail(&default_rule.common.list, &dn_fib_rules);
+        list_add_tail(&default_rule.common.list,
+                        &dn_fib_rules_ops.rules_list);
         fib_rules_register(&dn_fib_rules_ops);
 }