Re: [PATCH] PKT_SCHED: Initialize list field in dummy qdiscs

[Patrick McHardy <kaber@xxxxxxxxx>]

Thomas Graf wrote:

> Anyways, I do think we should force the task to be completed, or
> at least all the list unlinking, before the rtnl semaphore is given
> back.  I'm fine with postponing the deletion of the object but not
> to postpone list manipulations even if we cannot reproduce it now.
>  

This is what I'm doing now, your patch to set qdisc->parent makes
this very easy :) Simply remove all qdiscs with
(TC_H_MAJ(q->parent) == TC_H_MAJ(qdisc->handle)) from
dev->qdisc_list when a classful qdisc is destroyed.

Regards
Patrick