ACPI: battery: use sysfs_emit over sprintf

sysfs_emit validates assumptions made by sysfs and is the correct
mechanism to format data for sysfs.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 984236b95dff9073aa461077eb0d334c11905f65..5f47bd58aff3a730ef2e5e140fed0be813e7cb5a 100644 (file)
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -661,7 +661,7 @@ static ssize_t acpi_battery_alarm_show(struct device *dev,
 {
        struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
 
-       return sprintf(buf, "%d\n", battery->alarm * 1000);
+       return sysfs_emit(buf, "%d\n", battery->alarm * 1000);
 }
 
 static ssize_t acpi_battery_alarm_store(struct device *dev,