[dpdk-dev] [PATCH] app/testpmd: fix crash of txonly with multiple segments

[Yongseok Koh]

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

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

Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
---
 app/test-pmd/txonly.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
index 309c73893..4ce4d61cc 100644
--- a/app/test-pmd/txonly.c
+++ b/app/test-pmd/txonly.c
@@ -104,6 +104,7 @@ 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);
 }
-- 
2.11.0