Re: + oops-in-drivers-net-shaperc.patch added to -mm tree

[David Miller]

From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 27 Jan 2007 11:45:05 +1100

> David Miller <davem@xxxxxxxxxxxxx> 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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