Re: [PATCH 1/4] power: supply: core: Constify usb_types

From: Enric Balletbo i Serra
Date: Tue Apr 14 2020 - 11:56:38 EST


Hi Sebastian,

On 13/4/20 20:38, Sebastian Reichel wrote:
> usb_types is a list of USB types supported by the
> hardware, which does not change at runtime. Let's
> mark it as const for improved security.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>

> ---
> drivers/power/supply/power_supply_sysfs.c | 2 +-
> include/linux/power_supply.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
> index f37ad4eae60b..45dafc1820ff 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -78,7 +78,7 @@ static const char * const power_supply_scope_text[] = {
> };
>
> static ssize_t power_supply_show_usb_type(struct device *dev,
> - enum power_supply_usb_type *usb_types,
> + const enum power_supply_usb_type *usb_types,
> ssize_t num_usb_types,
> union power_supply_propval *value,
> char *buf)
> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
> index dcd5a71e6c67..0392c9cc8f1c 100644
> --- a/include/linux/power_supply.h
> +++ b/include/linux/power_supply.h
> @@ -223,7 +223,7 @@ struct power_supply_config {
> struct power_supply_desc {
> const char *name;
> enum power_supply_type type;
> - enum power_supply_usb_type *usb_types;
> + const enum power_supply_usb_type *usb_types;
> size_t num_usb_types;
> enum power_supply_property *properties;
> size_t num_properties;
>