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

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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>
This commit is contained in:
Patrick McHardy 2010-04-13 05:03:15 +00:00 • committed by David S. Miller
parent 5611551103
commit d8a566beaa
4 changed files with 21 additions and 36 deletions
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18
net/core/fib_rules.c
View file

@ -39,6 +39,24 @@ int fib_default_rule_add(struct fib_rules_ops *ops,
}
EXPORT_SYMBOL(fib_default_rule_add);
u32 fib_default_rule_pref(struct fib_rules_ops *ops)
{
struct list_head *pos;
struct fib_rule *rule;
if (!list_empty(&ops->rules_list)) {
pos = ops->rules_list.next;
if (pos->next != &ops->rules_list) {
rule = list_entry(pos->next, struct fib_rule, list);
if (rule->pref)
return rule->pref - 1;
}
}
return 0;
}
EXPORT_SYMBOL(fib_default_rule_pref);
static void notify_rule_change(int event, struct fib_rule *rule,
struct fib_rules_ops *ops, struct nlmsghdr *nlh,
u32 pid);