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SubjectRe: 2.2.13 ISDN funnies
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> Async ppp in 2.2.x as well as the generic ppp in 2.3.x have no
> dev->hard_header() method. Karsten's routing scenario
> (e.g. from slip or raw hdlc device to ppp-over-ethernet) will result in

We assume if it doesnt have a hard header method it doesnt have a hard
header.

> as provided by dev_alloc_skb(). Now, if ip_output does not reallocate
> headroom because ppp has no dev->hard_header() method, problems might
> occur.

Yes. Its a mismatched assumption rather than a bug.


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