From: ye xingchen <ye.xingchen@zte.com.cn>
Date: Mon, 5 Dec 2022 09:19:16 +0000 (+0800)
Subject: fs: nfs: sysfs: use sysfs_emit() to instead of scnprintf()
X-Git-Tag: io_uring-6.2-2022-12-19~53^2~2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=19cdc8fa5b9b768f5753eefe3da32fcbafcb0d18;p=linux-block.git

fs: nfs: sysfs: use sysfs_emit() to instead of scnprintf()

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@zte.com.cn>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---

diff --git a/fs/nfs/sysfs.c b/fs/nfs/sysfs.c
index a6f740366963..26f8ece2a997 100644
--- a/fs/nfs/sysfs.c
+++ b/fs/nfs/sysfs.c
@@ -82,7 +82,7 @@ static ssize_t nfs_netns_identifier_show(struct kobject *kobj,
 	ssize_t ret;
 
 	rcu_read_lock();
-	ret = scnprintf(buf, PAGE_SIZE, "%s\n", rcu_dereference(c->identifier));
+	ret = sysfs_emit(buf, "%s\n", rcu_dereference(c->identifier));
 	rcu_read_unlock();
 	return ret;
 }