[dpdk-dev] [PATCH] vhost/crypto: fix descriptor move

Fan Zhang roy.fan.zhang at intel.com
Wed May 9 16:08:39 CEST 2018


This patch fixes the redundant descriptor move in the copy mode
of vhost crypto. Originally the redundant descriptor move will
cause the message parsing error.

Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
 lib/librte_vhost/vhost_crypto.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/librte_vhost/vhost_crypto.c b/lib/librte_vhost/vhost_crypto.c
index 04ff8cd48..4c256284e 100644
--- a/lib/librte_vhost/vhost_crypto.c
+++ b/lib/librte_vhost/vhost_crypto.c
@@ -853,11 +853,6 @@ prepare_sym_chain_op(struct vhost_crypto *vcrypto, struct rte_crypto_op *op,
 		op->sym->auth.digest.data = digest_addr;
 		op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m_dst,
 				digest_offset);
-		if (unlikely(move_desc(head, &desc,
-				chain->para.hash_result_len) < 0)) {
-			ret = VIRTIO_CRYPTO_ERR;
-			goto error_exit;
-		}
 		break;
 	default:
 		ret = VIRTIO_CRYPTO_BADMSG;
-- 
2.13.6



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