!3161 fs: Fix error checking for d_hash_and_lookup()

Merge Pull Request from: @ci-robot 
 
PR sync from: Zizhi Wo <wozizhi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/UDLPGLZMKBQHI75I5CZNS3AIDK2YZFBR/ 
 
https://gitee.com/openeuler/kernel/issues/I8LNLY?from=project-issue 
 
Link:https://gitee.com/openeuler/kernel/pulls/3161

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>