On Tue, Oct 9, 2018 at 5:09 AM Colin King <colin.king@xxxxxxxxxxxxx> wrote:
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The IIO_CHAN_INFO_SCALE case is missing a break statement and in
> the unlikely event that chan->address is not matched in the nested
> switch statement then the code falls through to the following
> IIO_CHAN_INFO_HARDWAREGAIN case. Fix this by adding the missing
> break. While we are fixing this, it's probably a good idea to
> add in a break statement to the IIO_CHAN_INFO_HARDWAREGAIN case
> too (this is a moot point).
>
> Detected by CoverityScan, CID#1462408 ("Missing break in switch")
I'm not familiar with running Coverity scans myself, but is this CID
some publicly accessible report?
If it is an in-house scan then it should be dropped IMHO
- Matt
>
> Fixes: ca6a2d86acae ("iio: adc: ina2xx: Allow setting Shunt Voltage PGA gain and Bus Voltage range")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/iio/adc/ina2xx-adc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
> index d1239624187d..9bc5986780b9 100644
> --- a/drivers/iio/adc/ina2xx-adc.c
> +++ b/drivers/iio/adc/ina2xx-adc.c
> @@ -250,6 +250,7 @@ static int ina2xx_read_raw(struct iio_dev *indio_dev,
> *val2 = chip->shunt_resistor_uohm;
> return IIO_VAL_FRACTIONAL;
> }
> + break;
>
> case IIO_CHAN_INFO_HARDWAREGAIN:
> switch (chan->address) {
> @@ -262,6 +263,7 @@ static int ina2xx_read_raw(struct iio_dev *indio_dev,
> *val = chip->range_vbus == 32 ? 1 : 2;
> return IIO_VAL_INT;
> }
> + break;
> }
>
> return -EINVAL;
> --
> 2.17.1
>
