diff options
Diffstat (limited to 'drivers/crypto/virtio/virtio_crypto_algs.c')
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_algs.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index 5035b0dc1e40..e2231a1a05a1 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -110,8 +110,6 @@ virtio_crypto_alg_validate_key(int key_len, uint32_t *alg) *alg = VIRTIO_CRYPTO_CIPHER_AES_CBC; break; default: - pr_err("virtio_crypto: Unsupported key length: %d\n", - key_len); return -EINVAL; } return 0; @@ -485,6 +483,11 @@ static int virtio_crypto_ablkcipher_encrypt(struct ablkcipher_request *req) /* Use the first data virtqueue as default */ struct data_queue *data_vq = &vcrypto->data_vq[0]; + if (!req->nbytes) + return 0; + if (req->nbytes % AES_BLOCK_SIZE) + return -EINVAL; + vc_req->dataq = data_vq; vc_req->alg_cb = virtio_crypto_dataq_sym_callback; vc_sym_req->ablkcipher_ctx = ctx; @@ -505,6 +508,11 @@ static int virtio_crypto_ablkcipher_decrypt(struct ablkcipher_request *req) /* Use the first data virtqueue as default */ struct data_queue *data_vq = &vcrypto->data_vq[0]; + if (!req->nbytes) + return 0; + if (req->nbytes % AES_BLOCK_SIZE) + return -EINVAL; + vc_req->dataq = data_vq; vc_req->alg_cb = virtio_crypto_dataq_sym_callback; vc_sym_req->ablkcipher_ctx = ctx; |