!8266 [sync] PR-8228:  ubifs: ubifs_link: Fix wrong name len calculating when UBIFS is encrypted

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/8228 
 
PR sync from: Zhihao Cheng <chengzhihao@huaweicloud.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/YH3O4MAYVO5SUAGOIKIGCVEWK3SYDMRL/ 
 
https://gitee.com/openeuler/kernel/issues/I9T4OL 
 
Link:https://gitee.com/openeuler/kernel/pulls/8266 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com> 
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>