[PATCH v3 15/15] iio: inkern: fix coding style warnings
Andy Shevchenko
andy.shevchenko at gmail.com
Fri Jul 15 09:58:04 PDT 2022
On Fri, Jul 15, 2022 at 2:30 PM Nuno Sá <nuno.sa at analog.com> wrote:
>
> Just cosmetics. No functional change intended...
Reviewed-by: Andy Shevchenko <andy.shevchenko at gmail.com>
> Signed-off-by: Nuno Sá <nuno.sa at analog.com>
> ---
> drivers/iio/inkern.c | 64 ++++++++++++++++++++++----------------------
> 1 file changed, 32 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> index fab951546086..0c9b1561af31 100644
> --- a/drivers/iio/inkern.c
> +++ b/drivers/iio/inkern.c
> @@ -45,13 +45,13 @@ int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *maps)
> int i = 0, ret = 0;
> struct iio_map_internal *mapi;
>
> - if (maps == NULL)
> + if (!maps)
> return 0;
>
> mutex_lock(&iio_map_list_lock);
> - while (maps[i].consumer_dev_name != NULL) {
> + while (maps[i].consumer_dev_name) {
> mapi = kzalloc(sizeof(*mapi), GFP_KERNEL);
> - if (mapi == NULL) {
> + if (!mapi) {
> ret = -ENOMEM;
> goto error_ret;
> }
> @@ -69,7 +69,6 @@ int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *maps)
> }
> EXPORT_SYMBOL_GPL(iio_map_array_register);
>
> -
> /*
> * Remove all map entries associated with the given iio device
> */
> @@ -157,7 +156,7 @@ static int __fwnode_iio_channel_get(struct iio_channel *channel,
> return err;
>
> idev = bus_find_device_by_fwnode(&iio_bus_type, iiospec.fwnode);
> - if (idev == NULL) {
> + if (!idev) {
> fwnode_handle_put(iiospec.fwnode);
> return -EPROBE_DEFER;
> }
> @@ -190,7 +189,7 @@ static struct iio_channel *fwnode_iio_channel_get(struct fwnode_handle *fwnode,
> return ERR_PTR(-EINVAL);
>
> channel = kzalloc(sizeof(*channel), GFP_KERNEL);
> - if (channel == NULL)
> + if (!channel)
> return ERR_PTR(-ENOMEM);
>
> err = __fwnode_iio_channel_get(channel, fwnode, index);
> @@ -307,7 +306,7 @@ static struct iio_channel *fwnode_iio_channel_get_all(struct device *dev)
>
> /* NULL terminated array to save passing size */
> chans = kcalloc(nummaps + 1, sizeof(*chans), GFP_KERNEL);
> - if (chans == NULL)
> + if (!chans)
> return ERR_PTR(-ENOMEM);
>
> /* Search for FW matches */
> @@ -332,7 +331,7 @@ static struct iio_channel *iio_channel_get_sys(const char *name,
> struct iio_channel *channel;
> int err;
>
> - if (name == NULL && channel_name == NULL)
> + if (!(name || channel_name))
> return ERR_PTR(-ENODEV);
>
> /* first find matching entry the channel map */
> @@ -347,11 +346,11 @@ static struct iio_channel *iio_channel_get_sys(const char *name,
> break;
> }
> mutex_unlock(&iio_map_list_lock);
> - if (c == NULL)
> + if (!c)
> return ERR_PTR(-ENODEV);
>
> channel = kzalloc(sizeof(*channel), GFP_KERNEL);
> - if (channel == NULL) {
> + if (!channel) {
> err = -ENOMEM;
> goto error_no_mem;
> }
> @@ -363,7 +362,7 @@ static struct iio_channel *iio_channel_get_sys(const char *name,
> iio_chan_spec_from_name(channel->indio_dev,
> c->map->adc_channel_label);
>
> - if (channel->channel == NULL) {
> + if (!channel->channel) {
> err = -EINVAL;
> goto error_no_chan;
> }
> @@ -455,7 +454,7 @@ struct iio_channel *iio_channel_get_all(struct device *dev)
> int mapind = 0;
> int i, ret;
>
> - if (dev == NULL)
> + if (!dev)
> return ERR_PTR(-EINVAL);
>
> chans = fwnode_iio_channel_get_all(dev);
> @@ -483,7 +482,7 @@ struct iio_channel *iio_channel_get_all(struct device *dev)
>
> /* NULL terminated array to save passing size */
> chans = kcalloc(nummaps + 1, sizeof(*chans), GFP_KERNEL);
> - if (chans == NULL) {
> + if (!chans) {
> ret = -ENOMEM;
> goto error_ret;
> }
> @@ -497,7 +496,7 @@ struct iio_channel *iio_channel_get_all(struct device *dev)
> chans[mapind].channel =
> iio_chan_spec_from_name(chans[mapind].indio_dev,
> c->map->adc_channel_label);
> - if (chans[mapind].channel == NULL) {
> + if (!chans[mapind].channel) {
> ret = -EINVAL;
> goto error_free_chans;
> }
> @@ -559,14 +558,14 @@ struct iio_channel *devm_iio_channel_get_all(struct device *dev)
> EXPORT_SYMBOL_GPL(devm_iio_channel_get_all);
>
> static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
> - enum iio_chan_info_enum info)
> + enum iio_chan_info_enum info)
> {
> int unused;
> int vals[INDIO_MAX_RAW_ELEMENTS];
> int ret;
> int val_len = 2;
>
> - if (val2 == NULL)
> + if (!val2)
> val2 = &unused;
>
> if (!iio_channel_has_info(chan->channel, info))
> @@ -578,9 +577,10 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
> vals, &val_len, info);
> *val = vals[0];
> *val2 = vals[1];
> - } else
> + } else {
> ret = chan->indio_dev->info->read_raw(chan->indio_dev,
> chan->channel, val, val2, info);
> + }
>
> return ret;
> }
> @@ -591,7 +591,7 @@ int iio_read_channel_raw(struct iio_channel *chan, int *val)
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -610,7 +610,7 @@ int iio_read_channel_average_raw(struct iio_channel *chan, int *val)
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -624,7 +624,8 @@ int iio_read_channel_average_raw(struct iio_channel *chan, int *val)
> EXPORT_SYMBOL_GPL(iio_read_channel_average_raw);
>
> static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
> - int raw, int *processed, unsigned int scale)
> + int raw, int *processed,
> + unsigned int scale)
> {
> int scale_type, scale_val, scale_val2;
> int offset_type, offset_val, offset_val2;
> @@ -657,7 +658,7 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
> }
>
> scale_type = iio_channel_read(chan, &scale_val, &scale_val2,
> - IIO_CHAN_INFO_SCALE);
> + IIO_CHAN_INFO_SCALE);
> if (scale_type < 0) {
> /*
> * If no channel scaling is available apply consumer scale to
> @@ -702,19 +703,19 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
> }
>
> int iio_convert_raw_to_processed(struct iio_channel *chan, int raw,
> - int *processed, unsigned int scale)
> + int *processed, unsigned int scale)
> {
> struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(chan->indio_dev);
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
>
> ret = iio_convert_raw_to_processed_unlocked(chan, raw, processed,
> - scale);
> + scale);
> err_unlock:
> mutex_unlock(&iio_dev_opaque->info_exist_lock);
>
> @@ -729,7 +730,7 @@ int iio_read_channel_attribute(struct iio_channel *chan, int *val, int *val2,
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -755,7 +756,7 @@ int iio_read_channel_processed_scale(struct iio_channel *chan, int *val,
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -833,7 +834,7 @@ int iio_read_avail_channel_raw(struct iio_channel *chan,
> int type;
>
> ret = iio_read_avail_channel_attribute(chan, vals, &type, length,
> - IIO_CHAN_INFO_RAW);
> + IIO_CHAN_INFO_RAW);
>
> if (ret >= 0 && type != IIO_VAL_INT)
> /* raw values are assumed to be IIO_VAL_INT */
> @@ -917,7 +918,7 @@ int iio_get_channel_type(struct iio_channel *chan, enum iio_chan_type *type)
> /* Need to verify underlying driver has not gone away */
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -944,7 +945,7 @@ int iio_write_channel_attribute(struct iio_channel *chan, int val, int val2,
> int ret;
>
> mutex_lock(&iio_dev_opaque->info_exist_lock);
> - if (chan->indio_dev->info == NULL) {
> + if (!chan->indio_dev->info) {
> ret = -ENODEV;
> goto err_unlock;
> }
> @@ -978,9 +979,8 @@ unsigned int iio_get_channel_ext_info_count(struct iio_channel *chan)
> }
> EXPORT_SYMBOL_GPL(iio_get_channel_ext_info_count);
>
> -static const struct iio_chan_spec_ext_info *iio_lookup_ext_info(
> - const struct iio_channel *chan,
> - const char *attr)
> +static const struct iio_chan_spec_ext_info *
> +iio_lookup_ext_info(const struct iio_channel *chan, const char *attr)
> {
> const struct iio_chan_spec_ext_info *ext_info;
>
> --
> 2.37.1
>
--
With Best Regards,
Andy Shevchenko
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