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Re: [PATCH] lib80211: call try_module_get() in lib80211_get_crypto_ops()

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Pavel,

On Fri, Jul 29, 2011 at 13:02, Pavel Roskin <proski@xxxxxxx> wrote:
> lib80211 has a terrible API, and the module referencing is split between
> lib80211 and the callers.  Everything is too complicated.  Keys may be freed
> asynchronously.  Module referencing is tied to the keys and not to the ops.
>  I've seen the reference count for lib80211_crypt_ccmp to underflow and
> become 4294967295 or something.

If I recall correctly, lib80211 is the last remainder of the
pre-mac80211 wireless stack. It should be annihilated with extreme
prejudice, but the intel centrino 2xxx drivers are so interwoven with
it that extracting them would be a pain in the ass - and given that
nobody who has those parts really cares, this hasn't happened.

That said, bugs are bugs and they should be fixed.

Thanks,

-- 
Julian Calaby

Email: julian.calaby@xxxxxxxxx
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