[PATCH] iio: Avoid multiple line dereference for mask

From: Joe Simmons-Talbott
Date: Thu Aug 18 2022 - 08:58:55 EST


Add a mask variable to hold dereferences that span multiple lines.
Found with checkpatch.pl.

Signed-off-by: Joe Simmons-Talbott <joetalbott@xxxxxxxxx>
---
drivers/iio/industrialio-core.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 67d3d01d2dac..549f2254c258 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -1291,6 +1291,7 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
int ret, attrcount = 0;
const struct iio_chan_spec_ext_info *ext_info;
+ long *mask;

if (chan->channel < 0)
return 0;
@@ -1301,10 +1302,9 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
return ret;
attrcount += ret;

+ mask = &chan->info_mask_separate_available;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan,
- IIO_SEPARATE,
- &chan->
- info_mask_separate_available);
+ IIO_SEPARATE, mask);
if (ret < 0)
return ret;
attrcount += ret;
@@ -1316,10 +1316,9 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
return ret;
attrcount += ret;

+ mask = &chan->info_mask_shared_by_type_available;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan,
- IIO_SHARED_BY_TYPE,
- &chan->
- info_mask_shared_by_type_available);
+ IIO_SHARED_BY_TYPE, mask);
if (ret < 0)
return ret;
attrcount += ret;
@@ -1331,9 +1330,9 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
return ret;
attrcount += ret;

+ mask = &chan->info_mask_shared_by_dir_available;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan,
- IIO_SHARED_BY_DIR,
- &chan->info_mask_shared_by_dir_available);
+ IIO_SHARED_BY_DIR, mask);
if (ret < 0)
return ret;
attrcount += ret;
@@ -1345,9 +1344,9 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev,
return ret;
attrcount += ret;

+ mask = &chan->info_mask_shared_by_all_available;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan,
- IIO_SHARED_BY_ALL,
- &chan->info_mask_shared_by_all_available);
+ IIO_SHARED_BY_ALL, mask);
if (ret < 0)
return ret;
attrcount += ret;
--
2.37.2