[PATCH] iio: adc128s052: Fix the error handling path of 'adc128_probe()'

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A successful 'regulator_enable()' call should be balanced by a
corresponding 'regulator_disable()' call in the error handling path of the
probe, as already done in the remove function.

Update the error handling path accordingly.

Fixes: 913b86468674 ("iio: adc: Add TI ADC128S052")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/iio/adc/ti-adc128s052.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c
index 3143f35a6509..83c1ae07b3e9 100644
--- a/drivers/iio/adc/ti-adc128s052.c
+++ b/drivers/iio/adc/ti-adc128s052.c
@@ -171,7 +171,13 @@ static int adc128_probe(struct spi_device *spi)
 	mutex_init(&adc->lock);
 
 	ret = iio_device_register(indio_dev);
+	if (ret)
+		goto err_disable_regulator;
 
+	return 0;
+
+err_disable_regulator:
+	regulator_disable(adc->reg);
 	return ret;
 }
 
-- 
2.30.2




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