linux-kernel - [PATCH] net: ipa: use sysfs_emit() to instead of scnprintf()

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Message-ID: <202212021642142044742@zte.com.cn>
Date:   Fri, 2 Dec 2022 16:42:14 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <davem@...emloft.net>
Cc:     <elder@...nel.org>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] net: ipa: use sysfs_emit() to instead of scnprintf()

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/net/ipa/ipa_sysfs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ipa/ipa_sysfs.c b/drivers/net/ipa/ipa_sysfs.c
index 5cbc15a971f9..14bd2f903045 100644
--- a/drivers/net/ipa/ipa_sysfs.c
+++ b/drivers/net/ipa/ipa_sysfs.c
@@ -46,7 +46,7 @@ version_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct ipa *ipa = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%s\n", ipa_version_string(ipa));
+	return sysfs_emit(buf, "%s\n", ipa_version_string(ipa));
 }

 static DEVICE_ATTR_RO(version);
@@ -70,7 +70,7 @@ static ssize_t rx_offload_show(struct device *dev,
 {
 	struct ipa *ipa = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%s\n", ipa_offload_string(ipa));
+	return sysfs_emit(buf, "%s\n", ipa_offload_string(ipa));
 }

 static DEVICE_ATTR_RO(rx_offload);
@@ -80,7 +80,7 @@ static ssize_t tx_offload_show(struct device *dev,
 {
 	struct ipa *ipa = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%s\n", ipa_offload_string(ipa));
+	return sysfs_emit(buf, "%s\n", ipa_offload_string(ipa));
 }

 static DEVICE_ATTR_RO(tx_offload);
-- 
2.25.1