On Sun, Mar 17, 2019 at 11:53:12PM +0300, Vladimir Petrigo wrote:
> - Fix CHECK Macro argument 'wordsize' may be better as '(wordsize)' to avoid
> precedence issues
> - Fix CHECK Macro argument reuse 'bits' - possible side-effects?
>
> Signed-off-by: Vladimir Petrigo <vladimir.petr...@gmail.com>
> ---
> drivers/staging/iio/adc/ad7780.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/iio/adc/ad7780.c
> b/drivers/staging/iio/adc/ad7780.c
> index c4a8578..2dfd6f8 100644
> --- a/drivers/staging/iio/adc/ad7780.c
> +++ b/drivers/staging/iio/adc/ad7780.c
> @@ -142,7 +142,7 @@ static const struct ad_sigma_delta_info
> ad7780_sigma_delta_info = {
> };
>
> #define AD7780_CHANNEL(bits, wordsize) \
> - AD_SD_CHANNEL_NO_SAMP_FREQ(1, 0, 0, bits, 32, wordsize - bits)
> + AD_SD_CHANNEL_NO_SAMP_FREQ(1, 0, 0, (bits), 32, ((wordsize) - (bits)))
^^^^^^
These parentheses are not required.
This doesn't fix the "argument reuse" issue... It's not a reall issue
though, and it isn't like this a core macro so it doesn't really matter
too much.
regards,
dan carpenter
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