!5175 arm64/mpam: Fix use-after-free when deleting resource groups

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/BPAM6M57IH3QWQ6BIIGVSIHZH2AZNK4Q/ 
Wang ShaoBo (1):
  arm64/mpam: remove kernfs_get() calls() and add kernfs_put() calls to
    prevent refcount leak

Zeng Heng (1):
  arm64/mpam: Fix use-after-free when deleting resource groups


--
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I975PZ 
 
Link:https://gitee.com/openeuler/kernel/pulls/5175

 

Reviewed-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>