diff options
Diffstat (limited to 'net/core/fib_rules.c')
| -rw-r--r-- | net/core/fib_rules.c | 27 | 
1 files changed, 10 insertions, 17 deletions
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 44706e81b2e0..9a12668f7d62 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -31,7 +31,7 @@ int fib_default_rule_add(struct fib_rules_ops *ops,  	r->pref = pref;  	r->table = table;  	r->flags = flags; -	r->fr_net = hold_net(ops->fro_net); +	r->fr_net = ops->fro_net;  	r->suppress_prefixlen = -1;  	r->suppress_ifgroup = -1; @@ -116,7 +116,6 @@ static int __fib_rules_register(struct fib_rules_ops *ops)  		if (ops->family == o->family)  			goto errout; -	hold_net(net);  	list_add_tail_rcu(&ops->list, &net->rules_ops);  	err = 0;  errout: @@ -160,25 +159,16 @@ static void fib_rules_cleanup_ops(struct fib_rules_ops *ops)  	}  } -static void fib_rules_put_rcu(struct rcu_head *head) -{ -	struct fib_rules_ops *ops = container_of(head, struct fib_rules_ops, rcu); -	struct net *net = ops->fro_net; - -	release_net(net); -	kfree(ops); -} -  void fib_rules_unregister(struct fib_rules_ops *ops)  {  	struct net *net = ops->fro_net;  	spin_lock(&net->rules_mod_lock);  	list_del_rcu(&ops->list); -	fib_rules_cleanup_ops(ops);  	spin_unlock(&net->rules_mod_lock); -	call_rcu(&ops->rcu, fib_rules_put_rcu); +	fib_rules_cleanup_ops(ops); +	kfree_rcu(ops, rcu);  }  EXPORT_SYMBOL_GPL(fib_rules_unregister); @@ -303,7 +293,7 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh)  		err = -ENOMEM;  		goto errout;  	} -	rule->fr_net = hold_net(net); +	rule->fr_net = net;  	if (tb[FRA_PRIORITY])  		rule->pref = nla_get_u32(tb[FRA_PRIORITY]); @@ -423,7 +413,6 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh)  	return 0;  errout_free: -	release_net(rule->fr_net);  	kfree(rule);  errout:  	rules_ops_put(ops); @@ -492,6 +481,12 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh)  			goto errout;  		} +		if (ops->delete) { +			err = ops->delete(rule); +			if (err) +				goto errout; +		} +  		list_del_rcu(&rule->list);  		if (rule->action == FR_ACT_GOTO) { @@ -517,8 +512,6 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh)  		notify_rule_change(RTM_DELRULE, rule, ops, nlh,  				   NETLINK_CB(skb).portid); -		if (ops->delete) -			ops->delete(rule);  		fib_rule_put(rule);  		flush_route_cache(ops);  		rules_ops_put(ops);  |