Subject: Re: [PATCH net] sch_netem: fix skb leak in netem_enqueue()

From: Eric Dumazet <[email-masked]>
Date: Mon, 05 Mar 2018 07:13:38 -0800

On Mon, 2018-03-05 at 15:57 +0300, Alexey Kodanev wrote:
> 
> +static inline void __qdisc_drop_all(struct sk_buff *skb,
> +                                   struct sk_buff **to_free)
> +{
> +       struct sk_buff *first = skb;
> +
> +       while (skb->next)
> +               skb = skb->next;
> +
> +       skb->next = *to_free;
> +       *to_free = first;
> +}

You probably can leverage what I did for commit bec3cfdca36bf43cfa
("net: skb_segment() provides list head and tail")
to avoid the iteration.