Commit c5ef717a authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:ad5064: Fix off by one in DAC value range check 



The DAC value range check allows values one larger than the maximum value, which
effectively results in setting the DAC value to 0. This patch fixes the issue.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent a2630262

drivers/iio/dac/ad5064.c

+1 −1
Original line number Diff line number Diff line
@@ -257,7 +257,7 @@ static int ad5064_write_raw(struct iio_dev *indio_dev, 


	switch (mask) {

	case IIO_CHAN_INFO_RAW:

		if (val > (1 << chan->scan_type.realbits) || val < 0)

		if (val >= (1 << chan->scan_type.realbits) || val < 0)

			return -EINVAL;



		mutex_lock(&indio_dev->mlock);