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);