Commit d86e3f37 authored by Corentin Labbe's avatar Corentin Labbe Committed by Herbert Xu
Browse files

crypto: sun8i-ss - test error before assigning 



The first thing we should do after dma_map_single() is to test the
result.

Signed-off-by: default avatarCorentin Labbe <clabbe@baylibre.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 46e2fcbc

drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c

+4 −4
Original line number Diff line number Diff line
@@ -420,15 +420,15 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq) 
	}



	addr_pad = dma_map_single(ss->dev, pad, j * 4, DMA_TO_DEVICE);

	rctx->t_src[i].addr = addr_pad;

	rctx->t_src[i].len = j;

	rctx->t_dst[i].addr = addr_res;

	rctx->t_dst[i].len = digestsize / 4;

	if (dma_mapping_error(ss->dev, addr_pad)) {

		dev_err(ss->dev, "DMA error on padding SG\n");

		err = -EINVAL;

		goto theend;

	}

	rctx->t_src[i].addr = addr_pad;

	rctx->t_src[i].len = j;

	rctx->t_dst[i].addr = addr_res;

	rctx->t_dst[i].len = digestsize / 4;



	err = sun8i_ss_run_hash_task(ss, rctx, crypto_tfm_alg_name(areq->base.tfm));