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[IPV4]: fib_rules_unregister is essentially void. 

fib_rules_unregister is called only after successful register and the
return code is never checked.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-14 22:59:30 -08:00 committed by David S. Miller
parent 2db82b534b
commit 72132c1b6c
2 changed files with 5 additions and 18 deletions
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2
include/net/fib_rules.h
View File

@ -102,7 +102,7 @@ static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
} }
extern int fib_rules_register(struct net *, struct fib_rules_ops *); extern int fib_rules_register(struct net *, struct fib_rules_ops *);
extern int fib_rules_unregister(struct net *, struct fib_rules_ops *); extern void fib_rules_unregister(struct net *, struct fib_rules_ops *);
extern void fib_rules_cleanup_ops(struct fib_rules_ops *); extern void fib_rules_cleanup_ops(struct fib_rules_ops *);
extern int fib_rules_lookup(struct fib_rules_ops *, extern int fib_rules_lookup(struct fib_rules_ops *,

21
net/core/fib_rules.c
View File

@ -112,29 +112,16 @@ void fib_rules_cleanup_ops(struct fib_rules_ops *ops)
} }
EXPORT_SYMBOL_GPL(fib_rules_cleanup_ops); EXPORT_SYMBOL_GPL(fib_rules_cleanup_ops);
int fib_rules_unregister(struct net *net, struct fib_rules_ops *ops) void fib_rules_unregister(struct net *net, struct fib_rules_ops *ops)
{ {
int err = 0;
struct fib_rules_ops *o;
spin_lock(&net->rules_mod_lock); spin_lock(&net->rules_mod_lock);
list_for_each_entry(o, &net->rules_ops, list) { list_del_rcu(&ops->list);
if (o == ops) { fib_rules_cleanup_ops(ops);
list_del_rcu(&o->list);
fib_rules_cleanup_ops(ops);
goto out;
}
}
err = -ENOENT;
out:
spin_unlock(&net->rules_mod_lock); spin_unlock(&net->rules_mod_lock);
synchronize_rcu(); synchronize_rcu();
if (!err) release_net(net);
release_net(net);
return err;
} }
EXPORT_SYMBOL_GPL(fib_rules_unregister); EXPORT_SYMBOL_GPL(fib_rules_unregister);