[PATCH v2 1/2] staging: iio: ad7280a: Add parentheses to macros

Vladimir Petrigo vladimir.petrigo at gmail.com
Thu Mar 21 21:15:27 UTC 2019


- Fix CHECK Macro argument 'c' may be better as '(c)' to avoid precedence issues
- Fix CHECK Macro argument 'd' may be better as '(d)' to avoid precedence issues

Signed-off-by: Vladimir Petrigo <vladimir.petrigo at gmail.com>
---
 drivers/staging/iio/adc/ad7280a.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index d9df126..98cf876 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -97,9 +97,9 @@
 #define AD7280A_NUM_CH			(AD7280A_AUX_ADC_6 - \
 					AD7280A_CELL_VOLTAGE_1 + 1)
 
-#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) ((d * AD7280A_CELLS_PER_DEV) + c)
-#define AD7280A_CALC_TEMP_CHAN_NUM(d, c)    ((d * AD7280A_CELLS_PER_DEV) + \
-					     c - AD7280A_CELLS_PER_DEV)
+#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + (c))
+#define AD7280A_CALC_TEMP_CHAN_NUM(d, c)    (((d) * AD7280A_CELLS_PER_DEV) + \
+					     (c) - AD7280A_CELLS_PER_DEV)
 
 #define AD7280A_DEVADDR_MASTER		0
 #define AD7280A_DEVADDR_ALL		0x1F
-- 
2.7.4



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