!10803 s390/pkey: Wipe sensitive data on failure

Merge Pull Request from: @ci-robot 
 
PR sync from: Peng Zhang <zhangpeng362@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/C6VHBNEPEBOXDYRTLFJYWIAEHF4K72WA/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGSLY 
 
Link:https://gitee.com/openeuler/kernel/pulls/10803

 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>