!3272 x86/kprobes: Fix the error judgment for debug exceptions

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Huafei <lihuafei1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/R3VW3NZEN4ICYCACOM277VMT7IURUSXC/ 
 
https://gitee.com/openeuler/kernel/issues/I7EU4Q 
 
Link:https://gitee.com/openeuler/kernel/pulls/3272

 

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