Subject: Re: [PATCH v2 net-next 07/27] net: add for_each iterators through neighbour lower link's private

From: Cong Wang <[email-masked]>
Date: Wed, 11 Sep 2013 01:46:24 +0000 (UTC)

On Tue, 10 Sep 2013 at 20:57 GMT, Veaceslav Falico <[email-masked]> wrote:
> +void *netdev_lower_get_next_private_rcu(struct net_device *dev,
> +					struct list_head **iter)
> +{
> +	struct netdev_adjacent *lower;
> +
> +	WARN_ON_ONCE(!rcu_read_lock_held());
> +

Since this function has _rcu suffix, this warning is not useful at all.