diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 7a844aef5dcf70689fc54dc97a3740630a5d6d41..b30e44ac4d1c5bbef20d48df9643ebc620c70eef 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -322,9 +322,15 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
 	writeb(0x00, adc->base + JZ_REG_ADC_ENABLE);
 	writeb(0xff, adc->base + JZ_REG_ADC_CTRL);
 
-	return mfd_add_devices(&pdev->dev, 0, jz4740_adc_cells,
+	ret = mfd_add_devices(&pdev->dev, 0, jz4740_adc_cells,
 		ARRAY_SIZE(jz4740_adc_cells), mem_base, adc->irq_base);
+	if (ret < 0)
+		goto err_clk_put;
 
+	return 0;
+
+err_clk_put:
+	clk_put(adc->clk);
 err_iounmap:
 	platform_set_drvdata(pdev, NULL);
 	iounmap(adc->base);