[PATCH v1 1/1] leds: core: Refactor led_update_brightness() to use standard pattern

From: Andy Shevchenko
Date: Thu Jun 09 2022 - 12:22:40 EST


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.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
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 4a97cb745788..96a2817712e5 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -304,17 +304,17 @@ 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);

--
2.35.1