On Fri, 1 Nov 2019 11:34:58 +0200 Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> wrote: > The ADIS library functions return zero on success, and negative values for > error. Positive values aren't returned, but we only care about the success > value (which is zero). > > This change is mostly needed so that the compiler won't make any inferences > about some about values being potentially un-initialized. This only > triggers after making some functions inline, because the compiler can > better follow return paths. > > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> Applied thanks. Jonathan > --- > drivers/iio/imu/adis16460.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/iio/imu/adis16460.c b/drivers/iio/imu/adis16460.c > index 6aed9e84abbf..b55812521537 100644 > --- a/drivers/iio/imu/adis16460.c > +++ b/drivers/iio/imu/adis16460.c > @@ -80,7 +80,7 @@ static int adis16460_show_serial_number(void *arg, u64 *val) > > ret = adis_read_reg_16(&adis16460->adis, ADIS16460_REG_SERIAL_NUM, > &serial); > - if (ret < 0) > + if (ret) > return ret; > > *val = serial; > @@ -98,7 +98,7 @@ static int adis16460_show_product_id(void *arg, u64 *val) > > ret = adis_read_reg_16(&adis16460->adis, ADIS16460_REG_PROD_ID, > &prod_id); > - if (ret < 0) > + if (ret) > return ret; > > *val = prod_id; > @@ -116,7 +116,7 @@ static int adis16460_show_flash_count(void *arg, u64 *val) > > ret = adis_read_reg_32(&adis16460->adis, ADIS16460_REG_FLASH_CNT, > &flash_count); > - if (ret < 0) > + if (ret) > return ret; > > *val = flash_count; > @@ -176,7 +176,7 @@ static int adis16460_get_freq(struct iio_dev *indio_dev, int *val, int *val2) > unsigned int freq; > > ret = adis_read_reg_16(&st->adis, ADIS16460_REG_DEC_RATE, &t); > - if (ret < 0) > + if (ret) > return ret; > > freq = 2048000 / (t + 1);