From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jamal Hadi Salim <jhs@mojatatu.com>
Subject: Re: [Patch net-next 4/5] net_sched: forbid setting default qdisc to
 inappropriate ones
Date: Fri, 28 Aug 2015 08:26:53 -0400
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To: David Miller <davem@davemloft.net>, xiyou.wangcong@gmail.com
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On 08/28/15 00:23, David Miller wrote:

> If a default qdisc like HTB is choosen, we invoke the ->init() function
> and we change the HTB ->init() function to do something reasonable
> if a NULL set of configuration attributes is given.  ie. make HTB use
> some defaults.
>

That may work. Or to reduce ambiguity introduce qdisc->set_default().

cheers,
jamal