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>
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;
}