netdev - Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl

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Message-ID: <20080821101819.GA3700@gondor.apana.org.au>
Date:	Thu, 21 Aug 2008 20:18:19 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	denys@...p.net.lb
Subject: Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().

On Thu, Aug 21, 2008 at 10:01:55AM +0000, Jarek Poplawski wrote:
> 
> But how about this part in qdisc_destroy(): 
>         if (qdisc->parent)
>                 list_del(&qdisc->list);

This list should only be used by things like qdisc_lookup which
occurs under the RTNL.  The actual packet processing certainly
should not be walking a linked list.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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