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mfd: Fix jz4740-adc resource reclaim in probe error path

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If mfd_add_devices() fail, we need to relese allocated resources.

Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Axel Lin 2010-07-29 16:28:25 +08:00 • committed by Samuel Ortiz
commit 48736c80e5
1 changed files with 7 additions and 1 deletions
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8
drivers/mfd/jz4740-adc.c
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@ -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);