diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 313e9475507b5a7f1f7505331066e32ecf371f0c..5f27f5c299072829ffd2da120a0929ecf99e8f6f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -121,7 +121,7 @@ static ssize_t ata_scsi_park_show(struct device *device,
 unlock:
 	spin_unlock_irq(ap->lock);
 
-	return rc ? rc : snprintf(buf, 20, "%u\n", msecs);
+	return rc ? rc : sysfs_emit(buf, "%u\n", msecs);
 }
 
 static ssize_t ata_scsi_park_store(struct device *device,