diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_algs.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index dc231b860a1e..067402c7c2a9 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -653,7 +653,7 @@ static void qat_alg_free_bufl(struct qat_crypto_instance *inst, } static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, - struct scatterlist *assoc, + struct scatterlist *assoc, int assoclen, struct scatterlist *sgl, struct scatterlist *sglout, uint8_t *iv, uint8_t ivlen, @@ -685,15 +685,21 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, for_each_sg(assoc, sg, assoc_n, i) { if (!sg->length) continue; - bufl->bufers[bufs].addr = dma_map_single(dev, - sg_virt(sg), - sg->length, - DMA_BIDIRECTIONAL); - bufl->bufers[bufs].len = sg->length; + + if (!(assoclen > 0)) + break; + + bufl->bufers[bufs].addr = + dma_map_single(dev, sg_virt(sg), + min_t(int, assoclen, sg->length), + DMA_BIDIRECTIONAL); + bufl->bufers[bufs].len = min_t(int, assoclen, sg->length); if (unlikely(dma_mapping_error(dev, bufl->bufers[bufs].addr))) goto err; bufs++; + assoclen -= sg->length; } + if (ivlen) { bufl->bufers[bufs].addr = dma_map_single(dev, iv, ivlen, DMA_BIDIRECTIONAL); @@ -845,8 +851,9 @@ static int qat_alg_aead_dec(struct aead_request *areq) int digst_size = crypto_aead_crt(aead_tfm)->authsize; int ret, ctr = 0; - ret = qat_alg_sgl_to_bufl(ctx->inst, areq->assoc, areq->src, areq->dst, - areq->iv, AES_BLOCK_SIZE, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, areq->assoc, areq->assoclen, + areq->src, areq->dst, areq->iv, + AES_BLOCK_SIZE, qat_req); if (unlikely(ret)) return ret; @@ -889,8 +896,9 @@ static int qat_alg_aead_enc_internal(struct aead_request *areq, uint8_t *iv, struct icp_qat_fw_la_bulk_req *msg; int ret, ctr = 0; - ret = qat_alg_sgl_to_bufl(ctx->inst, areq->assoc, areq->src, areq->dst, - iv, AES_BLOCK_SIZE, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, areq->assoc, areq->assoclen, + areq->src, areq->dst, iv, AES_BLOCK_SIZE, + qat_req); if (unlikely(ret)) return ret; @@ -1017,7 +1025,7 @@ static int qat_alg_ablkcipher_encrypt(struct ablkcipher_request *req) struct icp_qat_fw_la_bulk_req *msg; int ret, ctr = 0; - ret = qat_alg_sgl_to_bufl(ctx->inst, NULL, req->src, req->dst, + ret = qat_alg_sgl_to_bufl(ctx->inst, NULL, 0, req->src, req->dst, NULL, 0, qat_req); if (unlikely(ret)) return ret; @@ -1055,7 +1063,7 @@ static int qat_alg_ablkcipher_decrypt(struct ablkcipher_request *req) struct icp_qat_fw_la_bulk_req *msg; int ret, ctr = 0; - ret = qat_alg_sgl_to_bufl(ctx->inst, NULL, req->src, req->dst, + ret = qat_alg_sgl_to_bufl(ctx->inst, NULL, 0, req->src, req->dst, NULL, 0, qat_req); if (unlikely(ret)) return ret; |