leds: turris-omnia: Use sysfs_emit() instead of sprintf()

Use the dedicated sysfs_emit() function instead of sprintf() in sysfs
attribute accessor brightness_show().

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20230802160748.11208-4-kabel@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c
index 64b2d7b6d3f315cfdd75dc5be5ee3855ff2b306a..ffcaf228e44a4f9b9ed561f3d40fe5170589175d 100644 (file)
--- a/drivers/leds/leds-turris-omnia.c
+++ b/drivers/leds/leds-turris-omnia.c
@@ -166,7 +166,7 @@ static ssize_t brightness_show(struct device *dev, struct device_attribute *a,
        if (ret < 0)
                return ret;
 
-       return sprintf(buf, "%d\n", ret);
+       return sysfs_emit(buf, "%d\n", ret);
 }
 
 static ssize_t brightness_store(struct device *dev, struct device_attribute *a,