Re: [PATCH RESEND 1/9] crypto: caam/jr - add fallback for XTS with more than 8B IV

From: Herbert Xu
Date: Thu Aug 20 2020 - 23:47:50 EST


On Tue, Aug 11, 2020 at 05:30:41PM +0300, Horia Geantă wrote:
>
> > + if (IS_ERR(fallback)) {
> > + pr_err("Failed to allocate %s fallback: %ld\n",
> > + tfm_name, PTR_ERR(fallback));
> > + return PTR_ERR(fallback);
> Shouldn't error out so early. It might be that the fallback won't be needed.
> Let's postpone this until we're sure fallback is required.

Why? The generic should always be there as otherwise you won't
even pass the self-test. If we're OOM then we should error out
ASAP.

Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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