linux-kernel - [PATCH] Input: rmi4: use sysfs_emit() to instead of scnprintf()

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Message-ID: <202212011551429834598@zte.com.cn>
Date:   Thu, 1 Dec 2022 15:51:42 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <dmitry.torokhov@...il.com>
Cc:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] Input: rmi4: use sysfs_emit() to instead of scnprintf()

From: ye xingchen <ye.xingchen@....com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 drivers/input/rmi4/rmi_f01.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index d7603c50f864..7b56bb70b393 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -267,7 +267,7 @@ static ssize_t rmi_driver_manufacturer_id_show(struct device *dev,
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
 	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);

-	return scnprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 			 f01->properties.manufacturer_id);
 }

@@ -280,7 +280,7 @@ static ssize_t rmi_driver_dom_show(struct device *dev,
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
 	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);

-	return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.dom);
+	return sysfs_emit(buf, "%s\n", f01->properties.dom);
 }

 static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL);
@@ -292,7 +292,7 @@ static ssize_t rmi_driver_product_id_show(struct device *dev,
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
 	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);

-	return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.product_id);
+	return sysfs_emit(buf, "%s\n", f01->properties.product_id);
 }

 static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL);
@@ -304,7 +304,7 @@ static ssize_t rmi_driver_firmware_id_show(struct device *dev,
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
 	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);

-	return scnprintf(buf, PAGE_SIZE, "%d\n", f01->properties.firmware_id);
+	return sysfs_emit(buf, "%d\n", f01->properties.firmware_id);
 }

 static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL);
@@ -318,7 +318,7 @@ static ssize_t rmi_driver_package_id_show(struct device *dev,

 	u32 package_id = f01->properties.package_id;

-	return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n",
+	return sysfs_emit(buf, "%04x.%04x\n",
 			 package_id & 0xffff, (package_id >> 16) & 0xffff);
 }

-- 
2.25.1