linux-kernel - [PATCH] HID: roccat: convert sysfs snprintf to sysfs

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Message-Id: <20221228060633.1459256-1-zhangxuezhi3@gmail.com>
Date:   Wed, 28 Dec 2022 14:06:33 +0800
From:   Xuezhi Zhang <zhangxuezhi3@...il.com>
To:     zhangxuezhi1@...lpad.com, erazor_de@...rs.sourceforge.net,
        jikos@...nel.org, benjamin.tissoires@...hat.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] HID: roccat: convert sysfs snprintf to sysfs_emit

From: Xuezhi Zhang <zhangxuezhi1@...lpad.com>

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: Xuezhi Zhang <zhangxuezhi1@...lpad.com>
---
 drivers/hid/hid-roccat-isku.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c
index e95d59cd8d07..d356a0ac770c 100644
--- a/drivers/hid/hid-roccat-isku.c
+++ b/drivers/hid/hid-roccat-isku.c
@@ -63,7 +63,7 @@ static ssize_t isku_sysfs_show_actual_profile(struct device *dev,
 {
 	struct isku_device *isku =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", isku->actual_profile);
+	return sysfs_emit(buf, "%d\n", isku->actual_profile);
 }
 
 static ssize_t isku_sysfs_set_actual_profile(struct device *dev,
-- 
2.25.1