From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
---
drivers/staging/iio/adc/ad7291.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index 1a2fa66..334951c 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -240,10 +240,14 @@ static inline ssize_t ad7291_set_hyst(struct device *dev,
if (ret < 0)
return ret;
- if (data < 4096)
+ if (data > AD7291_VALUE_MASK)
return -EINVAL;
- return ad7291_i2c_write(chip, this_attr->address, data);
+ ret = ad7291_i2c_write(chip, this_attr->address, data);
+ if (ret < 0)
+ return ret;
+
+ return len;
}
static IIO_DEVICE_ATTR(in_temp0_thresh_both_hyst_raw,
@@ -351,7 +355,7 @@ static int ad7291_write_event_value(struct iio_dev *indio_dev,
switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) {
case IIO_VOLTAGE:
- if (val > 0xFFF || val < 0)
+ if (val > AD7291_VALUE_MASK || val < 0)
return -EINVAL;
reg = ad7291_limit_regs[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]
[!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) ==
--
1.7.0.4
--
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