diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c
index f4a3389..bc1e713 100644
--- a/drivers/clk/clk-twl6040.c
+++ b/drivers/clk/clk-twl6040.c
@@ -92,8 +92,8 @@
 
 	clkdata->mcpdm_fclk.init = &wm831x_clkout_init;
 	clkdata->clk = clk_register(&pdev->dev, &clkdata->mcpdm_fclk);
-	if (!clkdata->clk)
-		return -EINVAL;
+	if (IS_ERR(clkdata->clk))
+		return PTR_ERR(clkdata->clk);
 
 	dev_set_drvdata(&pdev->dev, clkdata);