On Wed, 15 Jun 2016 21:15:30 +0200
Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx> wrote:
> @@ -135,23 +140,23 @@ static int mv_cesa_ablkcipher_process(struct crypto_async_request *req,
> {
> struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req);
> struct mv_cesa_ablkcipher_req *creq = ablkcipher_request_ctx(ablkreq);
> - struct mv_cesa_ablkcipher_std_req *sreq = &creq->req.std;
> - struct mv_cesa_engine *engine = sreq->base.engine;
> - int ret;
>
> - if (creq->req.base.type == CESA_DMA_REQ)
> + if (creq->req.base.type == CESA_DMA_REQ) {
> + int ret;
> + struct mv_cesa_tdma_req *dreq;
> + unsigned int ivsize;
> +
> ret = mv_cesa_dma_process(&creq->req.dma, status);
> - else
> - ret = mv_cesa_ablkcipher_std_process(ablkreq, status);
> + if (ret)
> + return ret;
>
> - if (ret)
> + dreq = &creq->req.dma;
> + ivsize = crypto_ablkcipher_ivsize(
> + crypto_ablkcipher_reqtfm(ablkreq));
> + memcpy_fromio(ablkreq->info, dreq->chain.last->data, ivsize);
Just use memcpy() here: you're not copying from an iomem region here.
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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