Re: [PATCH v2 1/1] leds: core: Refactor led_update_brightness() to use standard pattern
From: Hans de Goede
Date: Mon Oct 16 2023 - 11:36:35 EST
Hi,
On 10/16/23 17:30, Andy Shevchenko wrote:
> The standard conditional pattern is to check for errors first and
> bail out if any. Refactor led_update_brightness() accordingly.
>
> While at it, drop unneeded assignment and return 0 unconditionally
> on success.
>
> Acked-by: Denis Osterland-Heim <denis.osterland@xxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Thanks, patch looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Regards,
Hans
> ---
> v2: added tag (Denis), Cc'ed to the updated list of LED maintainers
> drivers/leds/led-core.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
> index 2230239283d0..89c9806cc97f 100644
> --- a/drivers/leds/led-core.c
> +++ b/drivers/leds/led-core.c
> @@ -364,17 +364,17 @@ EXPORT_SYMBOL_GPL(led_set_brightness_sync);
>
> int led_update_brightness(struct led_classdev *led_cdev)
> {
> - int ret = 0;
> + int ret;
>
> if (led_cdev->brightness_get) {
> ret = led_cdev->brightness_get(led_cdev);
> - if (ret >= 0) {
> - led_cdev->brightness = ret;
> - return 0;
> - }
> + if (ret < 0)
> + return ret;
> +
> + led_cdev->brightness = ret;
> }
>
> - return ret;
> + return 0;
> }
> EXPORT_SYMBOL_GPL(led_update_brightness);
>