From: Yongseok Koh <yskoh@mellanox.com>
Date: Wed, 27 Dec 2017 03:51:38 +0000 (-0800)
Subject: app/testpmd: fix crash of txonly with multiple segments
X-Git-Tag: spdx-start~755
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b03913e9e22fbd7206c3d266b0f52831eacd96b3;p=dpdk.git

app/testpmd: fix crash of txonly with multiple segments

Running txonly mode can crash with "--txpkts=20,470". copy_len should be
properly adjusted.

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---

diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
index 9bd3ce7ee5..da758f8123 100644
--- a/app/test-pmd/txonly.c
+++ b/app/test-pmd/txonly.c
@@ -75,6 +75,7 @@ copy_buf_to_pkt_segs(void* buf, unsigned len, struct rte_mbuf *pkt,
 		buf = ((char*) buf + copy_len);
 		seg = seg->next;
 		seg_buf = rte_pktmbuf_mtod(seg, char *);
+		copy_len = seg->data_len;
 	}
 	rte_memcpy(seg_buf, buf, (size_t) len);
 }