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Message-ID: <202212061519451024396@zte.com.cn>
Date: Tue, 6 Dec 2022 15:19:45 +0800 (CST)
From: <ye.xingchen@....com.cn>
To: <rafael@...nel.org>
Cc: <lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH] ACPI: fan: Convert to use sysfs_emit_at() API
From: ye xingchen <ye.xingchen@....com.cn>
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
drivers/acpi/fan_attr.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/acpi/fan_attr.c b/drivers/acpi/fan_attr.c
index f15157d40713..f4f6e2381f1d 100644
--- a/drivers/acpi/fan_attr.c
+++ b/drivers/acpi/fan_attr.c
@@ -27,24 +27,24 @@ static ssize_t show_state(struct device *dev, struct device_attribute *attr, cha
count = scnprintf(buf, PAGE_SIZE, "%lld:", fps->control);
if (fps->trip_point == 0xFFFFFFFF || fps->trip_point > 9)
- count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");
+ count += sysfs_emit_at(buf, count, "not-defined:");
else
- count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->trip_point);
+ count += sysfs_emit_at(buf, count, "%lld:", fps->trip_point);
if (fps->speed == 0xFFFFFFFF)
- count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");
+ count += sysfs_emit_at(buf, count, "not-defined:");
else
- count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->speed);
+ count += sysfs_emit_at(buf, count, "%lld:", fps->speed);
if (fps->noise_level == 0xFFFFFFFF)
- count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");
+ count += sysfs_emit_at(buf, count, "not-defined:");
else
- count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->noise_level * 100);
+ count += sysfs_emit_at(buf, count, "%lld:", fps->noise_level * 100);
if (fps->power == 0xFFFFFFFF)
- count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined\n");
+ count += sysfs_emit_at(buf, count, "not-defined\n");
else
- count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld\n", fps->power);
+ count += sysfs_emit_at(buf, count, "%lld\n", fps->power);
return count;
}
--
2.25.1
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