net: fib_rules: consolidate IPv4 and DECnet ->default_pref() functions.

Both functions are equivalent, consolidate them since a following patch
needs a third implementation for multicast routing.

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

1 files changed, 1 insertions, 18 deletions

diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 7466c546f286..2d14093a2c3a 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -212,23 +212,6 @@ nla_put_failure:
         return -ENOBUFS;
 }
 
-static u32 dn_fib_rule_default_pref(struct fib_rules_ops *ops)
-{
-        struct list_head *pos;
-        struct fib_rule *rule;
-
-        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;
-                }
-        }
-
-        return 0;
-}
-
 static void dn_fib_rule_flush_cache(struct fib_rules_ops *ops)
 {
         dn_rt_cache_flush(-1);
@@ -243,7 +226,7 @@ static struct fib_rules_ops dn_fib_rules_ops_template = {
         .configure      = dn_fib_rule_configure,
         .compare        = dn_fib_rule_compare,
         .fill           = dn_fib_rule_fill,
-        .default_pref   = dn_fib_rule_default_pref,
+        .default_pref   = fib_default_rule_pref,
         .flush_cache    = dn_fib_rule_flush_cache,
         .nlgroup        = RTNLGRP_DECnet_RULE,
         .policy         = dn_fib_rule_policy,