On Wed, Jul 01, 2020 at 03:19:54PM +0800, Yang Shen wrote:
> When the devices are removed or not existing, the corresponding algorithms
> which are registered by 'hisi-zip' driver can't be used.
> 
> Move 'hisi_zip_register_to_crypto' from 'hisi_zip_init' to
> 'hisi_zip_probe'. The algorithms will be registered to crypto only when
> there is device bind on the driver. And when the devices are removed,
> the algorithms will be unregistered.

You can't just unregister a live algorithm because if someone
holds a reference count on it then the Crypto API will crash.

Cheers,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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