diff options
Diffstat (limited to 'backends/cryptodev-builtin.c')
| -rw-r--r-- | backends/cryptodev-builtin.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c index 82a068e792..b24a299d9e 100644 --- a/backends/cryptodev-builtin.c +++ b/backends/cryptodev-builtin.c @@ -320,10 +320,12 @@ static int cryptodev_builtin_sym_operation( sess = builtin->sessions[op_info->session_id]; - ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, - op_info->iv_len, errp); - if (ret < 0) { - return -VIRTIO_CRYPTO_ERR; + if (op_info->iv_len > 0) { + ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, + op_info->iv_len, errp); + if (ret < 0) { + return -VIRTIO_CRYPTO_ERR; + } } if (sess->direction == VIRTIO_CRYPTO_OP_ENCRYPT) { |