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iio:ad7266: Fix broken regulator error handling

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All regulator_get() variants return either a pointer to a regulator or an
ERR_PTR() so testing for NULL makes no sense and may lead to bugs if we
use NULL as a valid regulator. Fix this by using IS_ERR() as expected.

Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Mark Brown 2016-06-20 13:53:32 +01:00 committed by Jonathan Cameron
parent 0c1f91b985
commit 6b7f4e25f3
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ad7266.c
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@ -397,7 +397,7 @@ static int ad7266_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
st->reg = devm_regulator_get(&spi->dev, "vref");
if (!IS_ERR_OR_NULL(st->reg)) {
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
return ret;