static void mld_clear_query(struct inet6_dev *idev)
{
	struct sk_buff *skb;

	spin_lock_bh(&idev->mc_query_lock);
	while ((skb = __skb_dequeue(&idev->mc_query_queue)))
		kfree_skb(skb);
	spin_unlock_bh(&idev->mc_query_lock);
}
static void mld_clear_query(struct inet6_dev *idev)
{
	struct sk_buff *skb;

	spin_lock_bh(&idev->mc_query_lock);
	while ((skb = __skb_dequeue(&idev->mc_query_queue)))
		kfree_skb(skb);
	spin_unlock_bh(&idev->mc_query_lock);
}