From 48736c80e5d0c7c9db97bd6643a979a4ab11f25b Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Thu, 29 Jul 2010 16:28:25 +0800 Subject: [PATCH] mfd: Fix jz4740-adc resource reclaim in probe error path If mfd_add_devices() fail, we need to relese allocated resources. Signed-off-by: Axel Lin Signed-off-by: Samuel Ortiz --- drivers/mfd/jz4740-adc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 7a844aef5dcf..b30e44ac4d1c 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);