From: Herbert Xu <[email protected]>
Date: Sat, 27 Jan 2007 11:45:05 +1100
> David Miller <[email protected]> wrote:
> >
> > Shaper is actually OK. None of these hardware header callbacks
> > should be invoked if the device is down. Yet, this is what is
> > accidently being allowed in the AF_PACKET socket layer.
>
> Hmm, what if the device goes down after the check?
For the shaper case it's OK, because once a shaper is
associated it's ->dev never goes back to NULL.
In general, yes it's a problem :-/
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