linux-kernel - [PATCH net-next] s390/qeth: use sysfs

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Message-ID: <202212051152565871940@zte.com.cn>
Date:   Mon, 5 Dec 2022 11:52:56 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <wintera@...ux.ibm.com>
Cc:     <wenjia@...ux.ibm.com>, <hca@...ux.ibm.com>, <gor@...ux.ibm.com>,
        <agordeev@...ux.ibm.com>, <borntraeger@...ux.ibm.com>,
        <svens@...ux.ibm.com>, <linux-s390@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] s390/qeth: 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/s390/net/qeth_l3_sys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 1082380b21f8..65eea667e469 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -395,7 +395,7 @@ static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
 	}
 	mutex_unlock(&card->ip_lock);

-	return str_len ? str_len : scnprintf(buf, PAGE_SIZE, "\n");
+	return str_len ? str_len : sysfs_emit(buf, "\n");
 }

 static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
@@ -614,7 +614,7 @@ static ssize_t qeth_l3_dev_ip_add_show(struct device *dev, char *buf,
 	}
 	mutex_unlock(&card->ip_lock);

-	return str_len ? str_len : scnprintf(buf, PAGE_SIZE, "\n");
+	return str_len ? str_len : sysfs_emit(buf, "\n");
 }

 static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
-- 
2.25.1