netdev - Re: qdisc_enqueue, NET_XMIT_SUCCESS and kfree_skb (Was: Re: [PATCH take 2] net_sched: Add qdisc __NET_XMIT

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Date:	Thu, 07 Aug 2008 14:40:48 +0300
From:	"Jussi Kivilinna" <jussi.kivilinna@...et.fi>
To:	"Jarek Poplawski" <jarkao2@...il.com>
Cc:	"David Miller" <davem@...emloft.net>, kaber@...sh.net,
	netdev@...r.kernel.org
Subject: Re: qdisc_enqueue, NET_XMIT_SUCCESS and kfree_skb (Was: Re: [PATCH
	take 2] net_sched: Add qdisc __NET_XMIT_BYPASS flag)

Quoting "Jarek Poplawski" <jarkao2@...il.com>:

>> PS. I noticed something fishy in HTB; HTB always returns NET_XMIT_DROP if
>> qdisc_enqueue doesn't return full NET_XMIT_SUCCESS, shouldn't it  
>> return return
>> value from qdisc_enqueue. Same in HTB requeue. That can't be right, right?
>>
>
> Yes, very good point, and quite hard to diagnose bug - happily solved
> already (but not fixed yet) by David Miller himself.

Ok, I assume that same case in sch_prio:requeue has been already spotted too.

>
> PS: it seems your mailer wrapped some lines of above patch.
>

Doh, time to find alternative for horde.

  - Jussi

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