Re: IPv4: ip_options_compile() how can we avoid blowing up on aNULL skb???

[David Miller]

From: "Jesper Juhl" <jesper.juhl@xxxxxxxxx>
Date: Thu, 16 Nov 2006 23:34:14 +0100

> So if 'skb' is NULL, the only route I see that doesn't cause a NULL
> pointer deref is if  (opt != NULL)  and at the same time
> (opt->is_data != NULL)  .   Is that guaranteed in any way?

Yes, it is guarenteed, all callers  make sure these invariants
hold true.

I'm very happy to accept a patch which assert's this using BUG()
checks :-)
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