On Tue, Mar 23, 2021 at 2:01 PM Xiaofei Tan <tanxiaofei@xxxxxxxxxx> wrote:
>
> Fix some errors and warnings reported by checkpatch.pl, including
> following five types:
Well, they are coding style issues rather than errors.
> ERROR: "foo * bar" should be "foo *bar"
> ERROR: code indent should use tabs where possible
> WARNING: Block comments use a trailing */ on a separate line
> WARNING: braces {} are not necessary for single statement blocks
> WARNING: void function return statements are not generally useful
>
> Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx>
> ---
> drivers/acpi/ac.c | 32 +++++++++++++-------------------
> 1 file changed, 13 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
> index b86ee6e..07987854 100644
> --- a/drivers/acpi/ac.c
> +++ b/drivers/acpi/ac.c
> @@ -78,17 +78,16 @@ static struct acpi_driver acpi_ac_driver = {
> struct acpi_ac {
> struct power_supply *charger;
> struct power_supply_desc charger_desc;
> - struct acpi_device * device;
> + struct acpi_device *device;
> unsigned long long state;
> struct notifier_block battery_nb;
> };
>
> #define to_acpi_ac(x) power_supply_get_drvdata(x)
>
> -/* --------------------------------------------------------------------------
> - AC Adapter Management
> - -------------------------------------------------------------------------- */
> -
> +/*
> + * AC Adapter Management
> + */
Please use the /* ... */ (one-line) comment format here and below for
comments that aren't longer than one line.
> static int acpi_ac_get_state(struct acpi_ac *ac)
> {
> acpi_status status = AE_OK;
> @@ -109,9 +108,9 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
> return 0;
> }
>
> -/* --------------------------------------------------------------------------
> - sysfs I/F
> - -------------------------------------------------------------------------- */
> +/*
> + * sysfs I/F
> + */
> static int get_ac_property(struct power_supply *psy,
> enum power_supply_property psp,
> union power_supply_propval *val)
> @@ -138,10 +137,9 @@ static enum power_supply_property ac_props[] = {
> POWER_SUPPLY_PROP_ONLINE,
> };
>
> -/* --------------------------------------------------------------------------
> - Driver Model
> - -------------------------------------------------------------------------- */
> -
> +/*
> + * Driver Model
> + */
> static void acpi_ac_notify(struct acpi_device *device, u32 event)
> {
> struct acpi_ac *ac = acpi_driver_data(device);
> @@ -174,8 +172,6 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
> acpi_notifier_call_chain(device, event, (u32) ac->state);
> kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
> }
> -
> - return;
> }
>
> static int acpi_ac_battery_notify(struct notifier_block *nb,
> @@ -282,9 +278,8 @@ static int acpi_ac_add(struct acpi_device *device)
> ac->battery_nb.notifier_call = acpi_ac_battery_notify;
> register_acpi_notifier(&ac->battery_nb);
> end:
> - if (result) {
> + if (result)
> kfree(ac);
> - }
>
> return result;
> }
> @@ -293,7 +288,7 @@ static int acpi_ac_add(struct acpi_device *device)
> static int acpi_ac_resume(struct device *dev)
> {
> struct acpi_ac *ac;
> - unsigned old_state;
> + unsigned int old_state;
>
> if (!dev)
> return -EINVAL;
> @@ -352,9 +347,8 @@ static int __init acpi_ac_init(void)
> }
>
> result = acpi_bus_register_driver(&acpi_ac_driver);
> - if (result < 0) {
> + if (result < 0)
> return -ENODEV;
> - }
>
> return 0;
> }
> --
