staging:iio:adc:ad7192: return len and fix out of range checking (a3ef65d3) · Commits · 戴 / test

drivers/staging/iio/adc/ad7291.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -241,10 +241,14 @@ 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,
		@@ -352,7 +356,7 @@ 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) ==