diff options
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_algs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index 42d19205166b..65ec10800137 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -437,6 +437,11 @@ __virtio_crypto_ablkcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, goto free; } memcpy(iv, req->info, ivsize); + if (!vc_sym_req->encrypt) + scatterwalk_map_and_copy(req->info, req->src, + req->nbytes - AES_BLOCK_SIZE, + AES_BLOCK_SIZE, 0); + sg_init_one(&iv_sg, iv, ivsize); sgs[num_out++] = &iv_sg; vc_sym_req->iv = iv; @@ -563,6 +568,10 @@ static void virtio_crypto_ablkcipher_finalize_req( struct ablkcipher_request *req, int err) { + if (vc_sym_req->encrypt) + scatterwalk_map_and_copy(req->info, req->dst, + req->nbytes - AES_BLOCK_SIZE, + AES_BLOCK_SIZE, 0); crypto_finalize_ablkcipher_request(vc_sym_req->base.dataq->engine, req, err); kzfree(vc_sym_req->iv); |