[PATCH] app/test-dma-perf: fix reversed src and dst for memcpy

[Liangxing Wang]

Fixes: 2f2f7af66791 ("app/dma-perf: fix crash with IOVA as physical address")
Cc: stable at dpdk.org

Signed-off-by: Liangxing Wang <wangliangxing at hygon.cn>
---
 app/test-dma-perf/benchmark.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/test-dma-perf/benchmark.c b/app/test-dma-perf/benchmark.c
index b6125d86f9..5f6c022ad7 100644
--- a/app/test-dma-perf/benchmark.c
+++ b/app/test-dma-perf/benchmark.c
@@ -520,8 +520,8 @@ do_cpu_mem_copy(void *p)
 
 	while (1) {
 		for (i = 0; i < nr_buf; i++) {
-			const void *src = rte_pktmbuf_mtod(dsts[i], void *);
-			void *dst = rte_pktmbuf_mtod(srcs[i], void *);
+			const void *src = rte_pktmbuf_mtod(srcs[i], void *);
+			void *dst = rte_pktmbuf_mtod(dsts[i], void *);
 
 			/* copy buffer form src to dst */
 			rte_memcpy(dst, src, (size_t)buf_size);
-- 
2.43.0