diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 34ff53290b0378434a253b75a2c2eac4215a4fb5..47edc7fbf91f52e5259060824c38eaab69ebdb56 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -702,6 +702,7 @@ static int dmatest_func(void *data)
 			 * free it this time?" dancing.  For now, just
 			 * leave it dangling.
 			 */
+			WARN(1, "dmatest: Kernel stack may be corrupted!!\n");
 			dmaengine_unmap_put(um);
 			result("test timed out", total_tests, src_off, dst_off,
 			       len, 0);