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Message-ID: <20250317155102808MZdMkiovw52X0oY7n47wI@zte.com.cn>
Date: Mon, 17 Mar 2025 15:51:02 +0800 (CST)
From: <tang.dongxing@....com.cn>
To: <davem@...emloft.net>
Cc: <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <horms@...nel.org>, <tang.dongxing@....com.cn>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <yang.guang5@....com.cn>, <yang.yang29@....com.cn>,
        <ye.xingchen@....com.cn>, <xu.xin16@....com.cn>
Subject: [PATCH] net: atm: use sysfs_emit_at() instead of scnprintf()

From: TangDongxing <tang.dongxing@....com.cn>

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: TangDongxing <tang.dongxing@....com.cn>
---
 net/atm/atm_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c
index 54e7fb1a4ee5..d06ffadc5139 100644
--- a/net/atm/atm_sysfs.c
+++ b/net/atm/atm_sysfs.c
@@ -37,7 +37,7 @@ static ssize_t atmaddress_show(struct device *cdev,

 	spin_lock_irqsave(&adev->lock, flags);
 	list_for_each_entry(aaddr, &adev->local, entry) {
-		count += scnprintf(buf + count, PAGE_SIZE - count,
+		count += sysfs_emit_at(buf, count,
 				   "%1phN.%2phN.%10phN.%6phN.%1phN\n",
 				   &aaddr->addr.sas_addr.prv[0],
 				   &aaddr->addr.sas_addr.prv[1],
-- 
2.25.1

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