!9917 powerpc/pseries: Enforce hcall result buffer validity and size

Merge Pull Request from: @ci-robot 
 
PR sync from: Huang Xiaojia <huangxiaojia2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/XQFBSSDMMHGKISOCFF3YGMG6M4EZFMYI/ 
 
https://gitee.com/src-openeuler/kernel/issues/IACRHB 
 
Link:https://gitee.com/openeuler/kernel/pulls/9917

 

Reviewed-by: Zhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>