5.10-stable review patch. If anyone has any objections, please let me know.
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From: David Lechner dlechner@baylibre.com
[ Upstream commit 7fe2d05cee46b1c4d9f1efaeab08cc31a0dfff60 ]
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@bayli... Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/iio/resolver/ad2s1210.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index a19cfb2998c93..f19bb5c796cf7 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -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;