netdev - Re: [PATCH net-next 1/8] net: Kill hold_net release

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Message-ID: <1426093647.11398.50.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 11 Mar 2015 10:07:27 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	David Miller <davem@...emloft.net>, edumazet@...gle.com,
	netdev@...r.kernel.org, stephen@...workplumber.org,
	nicolas.dichtel@...nd.com, roopa@...ulusnetworks.com,
	hannes@...essinduktion.org, ddutt@...ulusnetworks.com,
	vipin@...ulusnetworks.com, shmulik.ladkani@...il.com,
	dsahern@...il.com, Julian Anastasov <ja@....bg>
Subject: Re: [PATCH net-next 1/8] net: Kill hold_net release_net

On Wed, 2015-03-11 at 11:35 -0500, Eric W. Biederman wrote:

> @@ -163,9 +162,7 @@ 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);
>  }


Looks like this function is no longer needed, can caller can instead do

-	call_rcu(&rule->rcu, fib_rule_put_rcu);
+	kfree_rcu(rule, rcu);



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