linux-kernel - [PATCH] thermal/int340x_thermal: Convert to use sysfs_emit

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Message-ID: <202212081707505932014@zte.com.cn>
Date:   Thu, 8 Dec 2022 17:07:50 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <rafael@...nel.org>
Cc:     <daniel.lezcano@...aro.org>, <amitk@...nel.org>,
        <rui.zhang@...el.com>, <srinivas.pandruvada@...ux.intel.com>,
        <dave@...olabs.net>, <keescook@...omium.org>,
        <sumeet.r.pawnikar@...el.com>, <jiasheng@...as.ac.cn>,
        <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] thermal/int340x_thermal: 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>
---
 .../thermal/intel/int340x_thermal/int3400_thermal.c    | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index db8a6f63657d..c1fc4a78607c 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -130,10 +130,7 @@ static ssize_t available_uuids_show(struct device *dev,

 	for (i = 0; i < INT3400_THERMAL_MAXIMUM_UUID; i++) {
 		if (priv->uuid_bitmap & (1 << i))
-			length += scnprintf(&buf[length],
-					    PAGE_SIZE - length,
-					    "%s\n",
-					    int3400_thermal_uuids[i]);
+			length += sysfs_emit_at(buf, length, int3400_thermal_uuids[i]);
 	}

 	return length;
@@ -151,10 +148,7 @@ static ssize_t current_uuid_show(struct device *dev,

 	for (i = 0; i <= INT3400_THERMAL_CRITICAL; i++) {
 		if (priv->os_uuid_mask & BIT(i))
-			length += scnprintf(&buf[length],
-					    PAGE_SIZE - length,
-					    "%s\n",
-					    int3400_thermal_uuids[i]);
+			length += sysfs_emit_at(buf, length, int3400_thermal_uuids[i]);
 	}

 	if (length)
-- 
2.25.1