!4108 PCI/AER: increments pci bus reference count in aer-inject process

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiongfeng Wang <wangxiongfeng2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QW2ODZ4TWNYCL6O6LUEKKLHF7PSQKV4I/ 
 
https://gitee.com/openeuler/kernel/issues/I8XVX6 
 
Link:https://gitee.com/openeuler/kernel/pulls/4108

 

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