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| author | Crt Mori <cmo@melexis.com> | 2016-09-05 11:14:49 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-09-05 21:09:38 +0100 |
| commit | fbe84bd4803eb6c96376af5530ce69e1db873b5f (patch) | |
| tree | 0a486f49e18cee511fe61da8c1f1ce9833b19e01 /drivers/iio | |
| parent | 67516074884b4bde71ca8ca4724544669935cc5d (diff) | |
| download | linux-fbe84bd4803eb6c96376af5530ce69e1db873b5f.tar.gz linux-fbe84bd4803eb6c96376af5530ce69e1db873b5f.tar.bz2 linux-fbe84bd4803eb6c96376af5530ce69e1db873b5f.zip | |
iio: devm_regulator_get_optional never returns NULL
This patch is inspired by a comment of Jonathan Cameron on patch of
Linus Walleij commit aeb55fff3891834e07a3144159a7298a19696af8 ("iio:
st_sensors: fetch and enable regulators unconditionally"). Because
changes made in this patch are actually reference generators they should
be using devm_regulator_get_optional, but if they do not explicitly set
the reference to NULL they should not be using IS_ERR_OR_NULL, but
simple IS_ERR check.
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/ad7266.c | 4 | ||||
| -rw-r--r-- | drivers/iio/adc/ti-ads8688.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index c0f6a98fd9bd..b8d5cfd57ec4 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -481,7 +481,7 @@ error_free_gpios: if (!st->fixed_addr) gpio_free_array(st->gpios, ARRAY_SIZE(st->gpios)); error_disable_reg: - if (!IS_ERR_OR_NULL(st->reg)) + if (!IS_ERR(st->reg)) regulator_disable(st->reg); return ret; @@ -496,7 +496,7 @@ static int ad7266_remove(struct spi_device *spi) iio_triggered_buffer_cleanup(indio_dev); if (!st->fixed_addr) gpio_free_array(st->gpios, ARRAY_SIZE(st->gpios)); - if (!IS_ERR_OR_NULL(st->reg)) + if (!IS_ERR(st->reg)) regulator_disable(st->reg); return 0; diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index c400439900af..4a163496d9e4 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -438,7 +438,7 @@ static int ads8688_probe(struct spi_device *spi) return 0; error_out: - if (!IS_ERR_OR_NULL(st->reg)) + if (!IS_ERR(st->reg)) regulator_disable(st->reg); return ret; @@ -451,7 +451,7 @@ static int ads8688_remove(struct spi_device *spi) iio_device_unregister(indio_dev); - if (!IS_ERR_OR_NULL(st->reg)) + if (!IS_ERR(st->reg)) regulator_disable(st->reg); return 0; |