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iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()' 

If 'devm_regulator_get()' fails, we should go through the existing error
handling path instead of returning directly, as done is all the other
error handling paths in this function.

Fixes: 7cc97d77ee ("iio: adc: twl4030: Fix ADC[3:6] readings")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Christophe JAILLET 2017-09-23 08:06:18 +02:00 committed by Jonathan Cameron
parent c65e3d6ef4
commit 245a396a9b
1 changed files with 4 additions and 2 deletions
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6
drivers/iio/adc/twl4030-madc.c
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@ -887,8 +887,10 @@ static int twl4030_madc_probe(struct platform_device *pdev)
/* Enable 3v1 bias regulator for MADC[3:6] */
madc->usb3v1 = devm_regulator_get(madc->dev, "vusb3v1");
if (IS_ERR(madc->usb3v1))
return -ENODEV;
if (IS_ERR(madc->usb3v1)) {
ret = -ENODEV;
goto err_i2c;
}
ret = regulator_enable(madc->usb3v1);
if (ret)