On Thu, Oct 19, 2017 at 04:06:32PM -0400, Brian Masney wrote:
> This patch adds a return_max label for the two cases that need to set
> the lux to TSL2X7X_LUX_CALC_OVER_FLOW and return.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
> ---
> drivers/staging/iio/light/tsl2x7x.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c
> index 42ed9c015aaf..898304d65f64 100644
> --- a/drivers/staging/iio/light/tsl2x7x.c
> +++ b/drivers/staging/iio/light/tsl2x7x.c
> @@ -364,10 +364,8 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
> chip->als_cur_info.als_ch0 = ch0;
> chip->als_cur_info.als_ch1 = ch1;
>
> - if (ch0 >= chip->als_saturation || ch1 >= chip->als_saturation) {
> - lux = TSL2X7X_LUX_CALC_OVER_FLOW;
> + if (ch0 >= chip->als_saturation || ch1 >= chip->als_saturation)
> goto return_max;
> - }
>
> if (!ch0) {
> /* have no data, so return LAST VALUE */
> @@ -418,11 +416,12 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
> lux = lux64;
> lux = (lux + 500) / 1000;
>
> - if (lux > TSL2X7X_LUX_CALC_OVER_FLOW) /* check for overflow */
> + if (lux > TSL2X7X_LUX_CALC_OVER_FLOW) { /* check for overflow */
> +return_max:
> lux = TSL2X7X_LUX_CALC_OVER_FLOW;
> + }
Ugh... Wow. No. This terrible anti-pattern is spreading. Don't do
this.
regards,
dan carpenter
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