Commit 92f4b016 authored by Thorsten Blum's avatar Thorsten Blum Committed by Lee Jones
Browse files

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: default avatarThorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20251103120809.32834-1-thorsten.blum@linux.dev


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent c42b91c4

drivers/leds/led-class.c

+3 −3
Original line number Diff line number Diff line
@@ -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);