On Fri, May 01, 2020 at 09:42:29AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebigg...@google.com>
> 
> The SHA-256 / SHA-224 library functions can't fail, so remove the
> useless return value.

Looks good to me, and also matches the signatures of the blake2s library
functions, which return null.

Reviewed-by: Jason A. Donenfeld <ja...@zx2c4.com>

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