[PATCH] ata: replace snprintf in show functions with sysfs_emit

[davidcomponentone]

From: Yang Guang <yang.guang5@xxxxxxxxxx>

coccinelle report：
./drivers/ata/libata-sata.c:830:8-16: 
WARNING: use scnprintf or sprintf

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Yang Guang <yang.guang5@xxxxxxxxxx>
---
 drivers/ata/libata-sata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index 5b78e86e3459..b9c77885b872 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -827,7 +827,7 @@ static ssize_t ata_scsi_lpm_show(struct device *dev,
 	if (ap->target_lpm_policy >= ARRAY_SIZE(ata_lpm_policy_names))
 		return -EINVAL;
 
-	return snprintf(buf, PAGE_SIZE, "%s\n",
+	return sysfs_emit(buf, "%s\n",
 			ata_lpm_policy_names[ap->target_lpm_policy]);
 }
 DEVICE_ATTR(link_power_management_policy, S_IRUGO | S_IWUSR,
-- 
2.30.2