diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index 1829a17dd461f7c9b9c8f5703098bda4a395b9e0..b376609ffadbba5150cbc96e46f2cac6db687930 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -828,7 +828,8 @@ static int perf_copy_chunk(struct perf_thread *pthr,
 	tx->callback_param = pthr;
 	dma_set_unmap(tx, unmap);
 
-	if (dma_submit_error(dmaengine_submit(tx))) {
+	ret = dma_submit_error(dmaengine_submit(tx));
+	if (ret) {
 		dmaengine_unmap_put(unmap);
 		goto err_free_resource;
 	}