This is a note to let you know that I've just added the patch titled
iio: adc: stm32: Fixing err code to not indicate success
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-adc-stm32-fixing-err-code-to-not-indicate-succes.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b12063137c832b611f38e80acc80d16d9bb115f6
Author: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Date: Sat Mar 30 18:53:00 2024 +0000
iio: adc: stm32: Fixing err code to not indicate success
[ Upstream commit 3735ca0b072656c3aa2cedc617a5e639b583a472 ]
This path would result in returning 0 / success on an error path.
Cc: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
Fixes: 95bc818404b2 ("iio: adc: stm32-adc: add support of generic channels binding")
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240330185305.1319844-4-jic23@xxxxxxxxxx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index b5d3c9cea5c4e..283c207571064 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -2234,6 +2234,7 @@ 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) {
