diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index 03b1436f8709..e4d7ef3bfb61 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -473,13 +473,13 @@ static int mtk_desc_ring_alloc(struct mtk_cryp *cryp)
 	return 0;
 
 err_cleanup:
-	for (; i--; ) {
+	do {
 		dma_free_coherent(cryp->dev, MTK_DESC_RING_SZ,
 				  ring[i]->res_base, ring[i]->res_dma);
 		dma_free_coherent(cryp->dev, MTK_DESC_RING_SZ,
 				  ring[i]->cmd_base, ring[i]->cmd_dma);
 		kfree(ring[i]);
-	}
+	} while (i--);
 	return -ENOMEM;
 }