linux-kernel - [PATCH v1] platform/x86: hp-wmi: use sysfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Thu, 14 Mar 2024 14:37:03 +0800
From: Ai Chao <aichao@...inos.cn>
To: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	u.kleine-koenig@...gutronix.de,
	mario.limonciello@....com,
	jes965@....edu,
	alexbelm48@...il.com,
	onenowy@...il.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Ai Chao <aichao@...inos.cn>
Subject: [PATCH v1] platform/x86: hp-wmi: use sysfs_emit() instead of sprintf()

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: Ai Chao <aichao@...inos.cn>
---
 drivers/platform/x86/hp/hp-wmi.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index 630519c08617..5fa553023842 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -681,7 +681,7 @@ static ssize_t display_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
@@ -691,7 +691,7 @@ static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t als_show(struct device *dev, struct device_attribute *attr,
@@ -701,7 +701,7 @@ static ssize_t als_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
@@ -711,7 +711,7 @@ static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
@@ -721,7 +721,7 @@ static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
@@ -732,7 +732,7 @@ static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "0x%x\n", value);
+	return sysfs_emit(buf, "0x%x\n", value);
 }
 
 static ssize_t als_store(struct device *dev, struct device_attribute *attr,
-- 
2.25.1