diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index f9cf00d690e2..5663df49dd81 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -206,15 +206,14 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req cet->t_key = desc_addr_val_le32(ce, rctx->addr_key); ivsize = crypto_skcipher_ivsize(tfm); - if (areq->iv && crypto_skcipher_ivsize(tfm) > 0) { - rctx->ivlen = ivsize; + if (areq->iv && ivsize > 0) { if (rctx->op_dir & CE_DECRYPTION) { offset = areq->cryptlen - ivsize; scatterwalk_map_and_copy(chan->backup_iv, areq->src, offset, ivsize, 0); } memcpy(chan->bounce_iv, areq->iv, ivsize); - rctx->addr_iv = dma_map_single(ce->dev, chan->bounce_iv, rctx->ivlen, + rctx->addr_iv = dma_map_single(ce->dev, chan->bounce_iv, ivsize, DMA_TO_DEVICE); if (dma_mapping_error(ce->dev, rctx->addr_iv)) { dev_err(ce->dev, "Cannot DMA MAP IV\n"); @@ -278,8 +277,8 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req } chan->timeout = areq->cryptlen; - rctx->nr_sgs = nr_sgs; - rctx->nr_sgd = nr_sgd; + rctx->nr_sgs = ns; + rctx->nr_sgd = nd; return 0; theend_sgs: @@ -296,7 +295,8 @@ theend_sgs: theend_iv: if (areq->iv && ivsize > 0) { if (!dma_mapping_error(ce->dev, rctx->addr_iv)) - dma_unmap_single(ce->dev, rctx->addr_iv, rctx->ivlen, DMA_TO_DEVICE); + dma_unmap_single(ce->dev, rctx->addr_iv, ivsize, + DMA_TO_DEVICE); offset = areq->cryptlen - ivsize; if (rctx->op_dir & CE_DECRYPTION) { @@ -345,7 +345,8 @@ static void sun8i_ce_cipher_unprepare(struct crypto_engine *engine, if (areq->iv && ivsize > 0) { if (cet->t_iv) - dma_unmap_single(ce->dev, rctx->addr_iv, rctx->ivlen, DMA_TO_DEVICE); + dma_unmap_single(ce->dev, rctx->addr_iv, ivsize, + DMA_TO_DEVICE); offset = areq->cryptlen - ivsize; if (rctx->op_dir & CE_DECRYPTION) { memcpy(areq->iv, chan->backup_iv, ivsize); |