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iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()'

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Commit 7cc97d77ee has introduced a call to 'regulator_disable()' in the
.remove function.
So we should also have such a call in the .probe function in case of
error after a successful 'regulator_enable()' call.

Add a new label for that and use it.

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 08:06:19 +02:00 committed by Jonathan Cameron
parent 245a396a9b
commit 7f70be6e40
1 changed files with 3 additions and 1 deletions
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4
drivers/iio/adc/twl4030-madc.c
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@ -899,11 +899,13 @@ static int twl4030_madc_probe(struct platform_device *pdev)
ret = iio_device_register(iio_dev);
if (ret) {
dev_err(&pdev->dev, "could not register iio device\n");
goto err_i2c;
goto err_usb3v1;
}
return 0;
err_usb3v1:
regulator_disable(madc->usb3v1);
err_i2c:
twl4030_madc_set_current_generator(madc, 0, 0);
err_current_generator: