diff --git a/drivers/ub/ubase/ubase_hw.c b/drivers/ub/ubase/ubase_hw.c
index f6b5bf3404e6f8c963317e04f519956fdff01b7c..111adc72b46a156ed6571648d8e6d3ca707b6f3b 100644
--- a/drivers/ub/ubase/ubase_hw.c
+++ b/drivers/ub/ubase/ubase_hw.c
@@ -422,7 +422,7 @@ static int ubase_alloc_and_fill_ctx_buf(struct ubase_dev *udev,
 		ubase_err(udev,
 			  "failed to fill inherent ctx buf, cmd = 0x%x, ret = %d.\n",
 			  attr->op, ret);
-		dma_free_iova(ctx_buf->slot);
+		ubase_free_and_clear_ctx_buf(udev, ctx_buf);
 	}
 
 	return ret;