struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct ad7280_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct ad7280_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- st->channels = kzalloc(sizeof(*st->channels) *
- ((st->slave_num + 1) * 12 + 2), GFP_KERNEL);
+ st->channels = kcalloc((st->slave_num + 1) * 12 + 2,
+ sizeof(*st->channels), GFP_KERNEL);
st->channels[cnt].address =
AD7280A_DEVADDR(dev) << 8 | ch;
st->channels[cnt].scan_index = cnt;
st->channels[cnt].address =
AD7280A_DEVADDR(dev) << 8 | ch;
st->channels[cnt].scan_index = cnt;
st->channels[cnt].channel2 = dev * 6;
st->channels[cnt].address = AD7280A_ALL_CELLS;
st->channels[cnt].indexed = 1;
st->channels[cnt].channel2 = dev * 6;
st->channels[cnt].address = AD7280A_ALL_CELLS;
st->channels[cnt].indexed = 1;
st->channels[cnt].scan_index = cnt;
st->channels[cnt].scan_type.sign = 'u';
st->channels[cnt].scan_type.realbits = 32;
st->channels[cnt].scan_index = cnt;
st->channels[cnt].scan_type.sign = 'u';
st->channels[cnt].scan_type.realbits = 32;
case AD7280A_CELL_OVERVOLTAGE:
case AD7280A_CELL_UNDERVOLTAGE:
val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
case AD7280A_CELL_OVERVOLTAGE:
case AD7280A_CELL_UNDERVOLTAGE:
val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
val = clamp(val, 0L, 0xFFL);
mutex_lock(&indio_dev->mlock);
val = clamp(val, 0L, 0xFFL);
mutex_lock(&indio_dev->mlock);