'st->ext_ref' & 'st->reg' are both non-zero/non-null at the same time, so logically the code isn't broken. But it is more correct to check that 'st->reg' is non-null, since we make sure that the regulator is NULL (in probe) in case one isn't defined. Cc: Colin Ian King <colin.king@xxxxxxxxxxxxx> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> --- drivers/iio/adc/ad7298.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c index ecdb01bd5b2f..689ecd5dd563 100644 --- a/drivers/iio/adc/ad7298.c +++ b/drivers/iio/adc/ad7298.c @@ -214,7 +214,7 @@ static int ad7298_get_ref_voltage(struct ad7298_state *st) { int vref; - if (st->ext_ref) { + if (st->reg) { vref = regulator_get_voltage(st->reg); if (vref < 0) return vref; -- 2.27.0