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Date:	Sat, 02 Aug 2008 12:18:15 -0700 (PDT)
From:	David Miller <>
Subject: Re: [BUG] NULL pointer dereference in skb_dequeue

From: Jarek Poplawski <>
Date: Sat, 2 Aug 2008 18:27:33 +0200

> On Sat, Aug 02, 2008 at 03:37:19PM +0200, Jarek Poplawski wrote:
> ...
> > I guess this "root lock" has to go back to netdev_queue. Alas, I can't
> > test this, so if it's not a big problem maybe you could try this patch
> > before David goes back to this? (His patch should be removed before
> > using this one.)
> Actually, this patch was incomplete, sorry. Here is a better one,
> I hope. But of course, now, even better is to wait for David's
> proposal.

Jarek, we can't put the root lock back into the netdev_queue, it
breaks all of the RCU handling of qdisc_destroy() which is fundamental
for how all the multiqueue stuff works now.

See my other emails, it isn't even necessary anyways.
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