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

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Message-ID: <20080821122245.GA8533@gondor.apana.org.au>
Date:	Thu, 21 Aug 2008 22:22:45 +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 12:19:20PM +0000, Jarek Poplawski wrote:
> 
> Since qdisc_destroy() is used for destroying root qdisc too, isn't it
> better to get this lock back in notify_and_destroy() like this:
> 
> if (old) {
> 	if (parent)
> 		sch_tree_lock()
> 	qdisc_destroy()
> 	if (parent)
> 		sch_tree_unlock()
> }

Ugly as it may look, I think this is probably the best fix for now.

For 2.6.28 we can fix it properly and remove this eyesore :)

Thanks,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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