Re: [PATCH 3/3] crypto: hisilicon/hpre - fix a bug in dh algorithm

From: Herbert Xu
Date: Fri Sep 18 2020 - 03:11:35 EST


On Thu, Sep 10, 2020 at 07:25:22PM +0800, Meng Yu wrote:
>
> diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
> index 0cbe99a1..2d91593 100644
> --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
> +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
> @@ -528,6 +528,8 @@ static int hpre_dh_compute_value(struct kpp_request *req)
> ret = hpre_hw_data_init(hpre_req, req->src, req->src_len, 1, 1);
> if (unlikely(ret))
> goto clear_all;
> + } else {
> + msg->in = cpu_to_le64((u64)ctx->dh.dma_g);

Why do you need the u64 cast?

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