From dd8e5a2039607e0f79c33549726a2415d977c938 Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Mon, 13 Oct 2008 10:41:39 +0100 Subject: leds: Remove uneeded strlen calls There's no need for the additional call to strlen(), we can directly return the value returned by sprintf(). We now return a length value that doesn't include the final '\0', but user space shouldn't bother about it anyway. Signed-off-by: Sven Wegener Signed-off-by: Andrew Morton Signed-off-by: Richard Purdie --- drivers/leds/led-class.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/leds/led-class.c') diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index ee74ee7b2acc..8a7d138ec503 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -34,14 +34,11 @@ static ssize_t led_brightness_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - ssize_t ret = 0; /* no lock needed for this */ led_update_brightness(led_cdev); - sprintf(buf, "%u\n", led_cdev->brightness); - ret = strlen(buf) + 1; - return ret; + return sprintf(buf, "%u\n", led_cdev->brightness); } static ssize_t led_brightness_store(struct device *dev, -- cgit v1.2.3