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iio: adc: stm32: Fixing err code to not indicate success

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[ Upstream commit 3735ca0b07 ]

This path would result in returning 0 / success on an error path.

Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Fixes: 95bc818404 ("iio: adc: stm32-adc: add support of generic channels binding")
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20240330185305.1319844-4-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-03-30 18:53:00 +00:00 committed by Greg Kroah-Hartman
parent d52358d6da
commit b6eb572f38
1 changed files with 1 additions and 0 deletions
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drivers/iio/adc/stm32-adc.c
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@ -2079,6 +2079,7 @@ static int stm32_adc_generic_chan_init(struct iio_dev *indio_dev,
if (vin[0] != val || vin[1] >= adc_info->max_channels) {
dev_err(&indio_dev->dev, "Invalid channel in%d-in%d\n",
vin[0], vin[1]);
ret = -EINVAL;
goto err;
}
} else if (ret != -EINVAL) {