ata: replace snprintf in show functions with sysfs_emit
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@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index 5b78e86..b9c7788 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -827,7 +827,7 @@
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,
