linux-kernel - [PATCH linux-next] NFS: use sysfs_emit() to instead of scnprintf()

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Date:   Mon, 5 Dec 2022 17:13:45 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <trond.myklebust@...merspace.com>
Cc:     <anna@...nel.org>, <linux-nfs@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH linux-next] NFS: 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>
---
 fs/nfs/namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 88a23af2bd5c..b0ef7e7ddb30 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -354,7 +354,7 @@ static int param_get_nfs_timeout(char *buffer, const struct kernel_param *kp)
 			num = (num + (HZ - 1)) / HZ;
 	} else
 		num = -1;
-	return scnprintf(buffer, PAGE_SIZE, "%li\n", num);
+	return sysfs_emit(buffer, "%li\n", num);
 }

 static const struct kernel_param_ops param_ops_nfs_timeout = {
-- 
2.25.1