netdev - Re: [PATCH net] sch_netem: fix skb leak in netem

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Message-ID: <3ed51f47-ff82-f59f-cf1c-22a92eed0585@oracle.com>
Date:   Mon, 5 Mar 2018 18:40:56 +0300
From:   Alexey Kodanev <alexey.kodanev@...cle.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        Neil Horman <nhorman@...driver.com>
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>
Subject: Re: [PATCH net] sch_netem: fix skb leak in netem_enqueue()

On 03/05/2018 06:13 PM, Eric Dumazet wrote:
> 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.

OK, thanks! Will use it and send a new version of the patch.

Thanks,
Alexey