From 92f4b016dcb955cc0bb3942ac217cff6fe450a57 Mon Sep 17 00:00:00 2001 From: Thorsten Blum Date: Mon, 3 Nov 2025 13:08:09 +0100 Subject: [PATCH] leds: led-class: Replace sprintf() with sysfs_emit() in sysfs show functions Replace sprintf() with sysfs_emit() in sysfs show functions. sysfs_emit() is preferred to format sysfs output as it provides better bounds checking. No functional changes. Signed-off-by: Thorsten Blum Link: https://patch.msgid.link/20251103120809.32834-1-thorsten.blum@linux.dev Signed-off-by: Lee Jones --- drivers/leds/led-class.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index f3faf37f9a08..885399ed0776 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -38,7 +38,7 @@ static ssize_t brightness_show(struct device *dev, brightness = led_cdev->brightness; mutex_unlock(&led_cdev->led_access); - return sprintf(buf, "%u\n", brightness); + return sysfs_emit(buf, "%u\n", brightness); } static ssize_t brightness_store(struct device *dev, @@ -80,7 +80,7 @@ static ssize_t max_brightness_show(struct device *dev, max_brightness = led_cdev->max_brightness; mutex_unlock(&led_cdev->led_access); - return sprintf(buf, "%u\n", max_brightness); + return sysfs_emit(buf, "%u\n", max_brightness); } static DEVICE_ATTR_RO(max_brightness); @@ -122,7 +122,7 @@ static ssize_t brightness_hw_changed_show(struct device *dev, if (led_cdev->brightness_hw_changed == -1) return -ENODATA; - return sprintf(buf, "%u\n", led_cdev->brightness_hw_changed); + return sysfs_emit(buf, "%u\n", led_cdev->brightness_hw_changed); } static DEVICE_ATTR_RO(brightness_hw_changed); -- 2.47.3