[dpdk-dev] [PATCH v2] crypto/virtio: fix iv offset

[Fan Zhang]

This patch fixes the incorrect iv offset calculation.

Fixes: b063e843fa03 ("crypto/virtio: fix IV physical address")
Cc: stable at dpdk.org

Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
v2:
  fixed a typo

 drivers/crypto/virtio/virtio_rxtx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/virtio/virtio_rxtx.c b/drivers/crypto/virtio/virtio_rxtx.c
index e32a1ecd6..e9a63cb5a 100644
--- a/drivers/crypto/virtio/virtio_rxtx.c
+++ b/drivers/crypto/virtio/virtio_rxtx.c
@@ -203,8 +203,8 @@ virtqueue_crypto_sym_enqueue_xmit(
 	uint16_t req_data_len = sizeof(struct virtio_crypto_op_data_req);
 	uint32_t indirect_vring_addr_offset = req_data_len +
 		sizeof(struct virtio_crypto_inhdr);
-	uint32_t indirect_iv_addr_offset = indirect_vring_addr_offset +
-			sizeof(struct vring_desc) * NUM_ENTRY_VIRTIO_CRYPTO_OP;
+	uint32_t indirect_iv_addr_offset =
+			offsetof(struct virtio_crypto_op_cookie, iv);
 	struct rte_crypto_sym_op *sym_op = cop->sym;
 	struct virtio_crypto_session *session =
 		(struct virtio_crypto_session *)get_sym_session_private_data(
-- 
2.14.5