[dpdk-dev] [PATCH] app/crypto-perf: fix digest data for chained mbufs

[Sergio Gonzalez Monroy]

Use corect mbuf segment for chained mbufs.

Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test application")
CC: stable at dpdk.org

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
---
 app/test-crypto-perf/cperf_ops.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/app/test-crypto-perf/cperf_ops.c b/app/test-crypto-perf/cperf_ops.c
index c2c3db5..17df2eb 100644
--- a/app/test-crypto-perf/cperf_ops.c
+++ b/app/test-crypto-perf/cperf_ops.c
@@ -151,14 +151,13 @@ cperf_set_ops_auth(struct rte_crypto_op **ops,
 			if (options->out_of_place) {
 				buf =  bufs_out[i];
 			} else {
-				buf =  bufs_in[i];
-
-				tbuf = buf;
+				tbuf =  bufs_in[i];
 				while ((tbuf->next != NULL) &&
 						(offset >= tbuf->data_len)) {
 					offset -= tbuf->data_len;
 					tbuf = tbuf->next;
 				}
+				buf = tbuf;
 			}
 
 			sym_op->auth.digest.data = rte_pktmbuf_mtod_offset(buf,
@@ -230,14 +229,13 @@ cperf_set_ops_cipher_auth(struct rte_crypto_op **ops,
 			if (options->out_of_place) {
 				buf =  bufs_out[i];
 			} else {
-				buf =  bufs_in[i];
-
-				tbuf = buf;
+				tbuf =  bufs_in[i];
 				while ((tbuf->next != NULL) &&
 						(offset >= tbuf->data_len)) {
 					offset -= tbuf->data_len;
 					tbuf = tbuf->next;
 				}
+				buf = tbuf;
 			}
 
 			sym_op->auth.digest.data = rte_pktmbuf_mtod_offset(buf,
@@ -308,14 +306,13 @@ cperf_set_ops_aead(struct rte_crypto_op **ops,
 			if (options->out_of_place) {
 				buf =  bufs_out[i];
 			} else {
-				buf =  bufs_in[i];
-
-				tbuf = buf;
+				tbuf =  bufs_in[i];
 				while ((tbuf->next != NULL) &&
 						(offset >= tbuf->data_len)) {
 					offset -= tbuf->data_len;
 					tbuf = tbuf->next;
 				}
+				buf = tbuf;
 			}
 
 			sym_op->auth.digest.data = rte_pktmbuf_mtod_offset(buf,
-- 
2.9.3