[PATCH 3/3] staging: iio: ad7780: Add parentheses to macros

Vladimir Petrigo
2019-03-17T20:53:27Z

- 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.petrigo@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)))

static const struct ad7780_chip_info ad7780_chip_info_tbl[] = {
[ID_AD7170] = {
--
2.7.4