!2281 sdei_watchdog: Avoid exception during sdei handler

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zengkai <zhengzengkai@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QHK5TRK6NUVPLUJECGJR4U6JIFSTYDNA/ 
 
https://gitee.com/openeuler/kernel/issues/I82QPR 
 
Link:https://gitee.com/openeuler/kernel/pulls/2281

 

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>