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From: David Howells <dhowells@redhat.com>
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Subject: Re: [PATCH 2/2] MPI: Fix mpi_powm() when exponent is 0 and the result has no limbs
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Date: Thu, 24 Nov 2016 11:17:19 +0000
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David Howells <dhowells@redhat.com> wrote:

> +		if (!rp) {
> +			if (mpi_resize(res, 1) < 0)

This is better done with RESIZE_IF_NEEDED().

David