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staging: iio: resolver: ad2s1210: fix use before initialization

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[ Upstream commit 7fe2d05cee ]

This fixes a use before initialization in ad2s1210_probe(). The
ad2s1210_setup_gpios() function uses st->sdev but it was being called
before this field was initialized.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20230929-ad2s1210-mainline-v3-2-fa4364281745@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David Lechner 2023-09-29 12:23:07 -05:00 committed by Greg Kroah-Hartman
parent 84d6173880
commit b87691d733
1 changed files with 4 additions and 3 deletions
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7
drivers/staging/iio/resolver/ad2s1210.c
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@ -658,9 +658,6 @@ static int ad2s1210_probe(struct spi_device *spi)
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
ret = ad2s1210_setup_gpios(st);
if (ret < 0)
return ret;
spi_set_drvdata(spi, indio_dev);
@ -671,6 +668,10 @@ static int ad2s1210_probe(struct spi_device *spi)
st->resolution = 12;
st->fexcit = AD2S1210_DEF_EXCIT;
ret = ad2s1210_setup_gpios(st);
if (ret < 0)
return ret;
indio_dev->info = &ad2s1210_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ad2s1210_channels;