linux-kernel - Re: [PATCH] nits: fix several coding style warnings

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Message-ID: <Pine.LNX.4.64.1503082313150.7485@axis700.grange>
Date:	Sun, 8 Mar 2015 23:14:08 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Ioana Antoche <ioana.antoche@...il.com>
cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nits: fix several coding style warnings

On Sun, 8 Mar 2015, Ioana Antoche wrote:

> Fix checkpatch.pl warnings such as:
> * missing blank line after declarations
> * line over 80 characters
> 
> Signed-off-by: Ioana Antoche <ioana.antoche@...il.com>
> ---
>  drivers/base/bus.c | 24 ++++++++++++++----------
>  1 file changed, 14 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/base/bus.c b/drivers/base/bus.c
> index 876bae5..9e448e1 100644
> --- a/drivers/base/bus.c
> +++ b/drivers/base/bus.c
> @@ -128,6 +128,7 @@ static const struct sysfs_ops bus_sysfs_ops = {
>  int bus_create_file(struct bus_type *bus, struct bus_attribute *attr)
>  {
>  	int error;
> +
>  	if (bus_get(bus)) {
>  		error = sysfs_create_file(&bus->p->subsys.kobj, &attr->attr);
>  		bus_put(bus);
> @@ -298,8 +299,7 @@ static struct device *next_device(struct klist_iter *i)
>   * count in the supplied callback.
>   */
>  int bus_for_each_dev(struct bus_type *bus, struct device *start,
> -		     void *data, int (*fn)(struct device *, void *))
> -{
> +		     void *data, int (*fn)(struct device *, void *)) {

Really curious: is this change (and a similar one below) really fixing a 
style violation?

Thanks
Guennadi

>  	struct klist_iter i;
>  	struct device *dev;
>  	int error = 0;
> @@ -385,8 +385,8 @@ EXPORT_SYMBOL_GPL(bus_find_device_by_name);
>   * otherwise, fall back to a full list search. Either way a reference for
>   * the returned object is taken.
>   */
> -struct device *subsys_find_device_by_id(struct bus_type *subsys, unsigned int id,
> -					struct device *hint)
> +struct device *subsys_find_device_by_id(struct bus_type *subsys,
> +					unsigned int id, struct device *hint)
>  {
>  	struct klist_iter i;
>  	struct device *dev;
> @@ -395,7 +395,8 @@ struct device *subsys_find_device_by_id(struct bus_type *subsys, unsigned int id
>  		return NULL;
>  
>  	if (hint) {
> -		klist_iter_init_node(&subsys->p->klist_devices, &i, &hint->p->knode_bus);
> +		klist_iter_init_node(&subsys->p->klist_devices, &i,
> +			&hint->p->knode_bus);
>  		dev = next_device(&i);
>  		if (dev && dev->id == id && get_device(dev)) {
>  			klist_iter_exit(&i);
> @@ -448,8 +449,7 @@ static struct device_driver *next_driver(struct klist_iter *i)
>   * so it doesn't disappear before returning to the caller.
>   */
>  int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
> -		     void *data, int (*fn)(struct device_driver *, void *))
> -{
> +		     void *data, int (*fn)(struct device_driver *, void *)) {
>  	struct klist_iter i;
>  	struct device_driver *drv;
>  	int error = 0;
> @@ -509,7 +509,8 @@ int bus_add_device(struct device *dev)
>  	int error = 0;
>  
>  	if (bus) {
> -		pr_debug("bus: '%s': add device %s\n", bus->name, dev_name(dev));
> +		pr_debug("bus: '%s': add device %s\n", bus->name,
> +			dev_name(dev));
>  		error = device_add_attrs(bus, dev);
>  		if (error)
>  			goto out_put;
> @@ -819,6 +820,7 @@ EXPORT_SYMBOL_GPL(device_reprobe);
>  struct bus_type *find_bus(char *name)
>  {
>  	struct kobject *k = kset_find_obj(bus_kset, name);
> +
>  	return k ? to_bus(k) : NULL;
>  }
>  #endif  /*  0  */
> @@ -1000,7 +1002,8 @@ EXPORT_SYMBOL_GPL(bus_get_device_klist);
>   * holding the lock for the list, so objects can't otherwise be
>   * added/removed while we're swizzling.
>   */
> -static void device_insertion_sort_klist(struct device *a, struct list_head *list,
> +static void device_insertion_sort_klist(struct device *a,
> +					struct list_head *list,
>  					int (*compare)(const struct device *a,
>  							const struct device *b))
>  {
> @@ -1092,7 +1095,8 @@ struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter)
>  		knode = klist_next(&iter->ki);
>  		if (!knode)
>  			return NULL;
> -		dev = container_of(knode, struct device_private, knode_bus)->device;
> +		dev = container_of(knode, struct device_private, knode_bus)
> +				  ->device;
>  		if (!iter->type || iter->type == dev->type)
>  			return dev;
>  	}
> -- 
> 1.9.1
> 
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