[PATCH] lib/crypto: blake2s: fix a CFI failure

[Miles Chen]

>Ehm, maybe not. As Jason points out, the typedef does not have quite
>the right type, so that is most likely the culprit, and this
>workaround would trigger CFI in exactly the same way.
>
>Interestingly, the compiler does not seem to mind, right? Or are you
>seeing any build time warnings on the reference to blake2s_compress in
>the call to __blake2s_update() ?

No, no warnings as the -Wcast-function-type is globally enabled.
I cleaned some cast-function-type errors but no warnings in
__blake2s_update.


Miles