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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>
This commit is contained in:
Yang Guang 2021-11-30 08:04:11 +08:00 committed by Damien Le Moal
parent 6f48394cf1
commit 06d5d558f5
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/libata-sata.c
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@ -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,