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Date:	Thu, 28 Jun 2007 18:46:22 +0200
From:	Patrick McHardy <>
To:	"Waskiewicz Jr, Peter P" <>
	"Kok, Auke-jan H" <>,
Subject: Re: [PATCH 3/3] NET: [SCHED] Qdisc changes and sch_rr added for multiqueue

Waskiewicz Jr, Peter P wrote:
>>PJ Waskiewicz wrote:
>>> static int __init prio_module_init(void)  {
>>>-	return register_qdisc(&prio_qdisc_ops);
>>>+	int err;
>>>+	err = register_qdisc(&prio_qdisc_ops);
>>>+	if (!err)
>>>+		err = register_qdisc(&rr_qdisc_ops);
>>>+	return err;
>>> }
>>Thats still broken. I'll fix this and some minor cleanness 
>>issues myself so you don't have to go through another resend.
> Auke and I just looked at register_qdisc() and this code.  Maybe we
> haven't had enough coffee yet, but register_qdisc() returns 0 on
> success.  So if register_qdisc(&prio_qdisc_ops) succeeds, then
> rr_qdisc_ops gets registered.  I'm curious what is broken with this.

Its not error handling. You do:

err = register qdisc 1
if (err)
	return err;
err = register qdisc 2
if (err)
	unregister qdisc 2
return err

anyways, I already fixed that and cleaned up prio_classify the
way I suggested. Will send shortly.

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