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iio: adc: ad7780: Fix a resource handling path in 'ad7780_probe()'

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[ Upstream commit b0536f9826 ]

If 'ad7780_init_gpios()' fails, we must not release some resources that
have not been allocated yet. Return directly instead.

Fixes: 5bb30e7daf ("staging: iio: ad7780: move regulator to after GPIO init")
Fixes: 9085daa4ab ("staging: iio: ad7780: add gain & filter gpio support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET
2020-05-17 11:59:53 +02:00
committed by Greg Kroah-Hartman
parent 28be430bbf
commit a6fe5dde53
1 changed files with 1 additions and 1 deletions
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drivers/iio/adc/ad7780.c
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@@ -309,7 +309,7 @@ static int ad7780_probe(struct spi_device *spi)
ret = ad7780_init_gpios(&spi->dev, st);
if (ret)
goto error_cleanup_buffer_and_trigger;
return ret;
st->reg = devm_regulator_get(&spi->dev, "avdd");
if (IS_ERR(st->reg))