Subject: Re: [PATCH 2.6 2/5]: refcount qdisc->dev

From: "David S. Miller" <[email-masked]>
Date: Wed, 4 Aug 2004 09:36:04 -0700

On Tue, 03 Aug 2004 17:22:36 +0200
Patrick McHardy <[email-masked]> wrote:

> This patch adds refcounting for qdisc->dev to avoid accessing freed memory
> from the __qdisc_destroy rcu-callback when the device is unregistered. 
> Without
> refcounting netdev_wait_allrefs could free the device before __qdisc_destroy
> is done.

We do need this.  Applied, thanks Patrick.