!6276 wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhengchao Shao <shaozhengchao@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/B2LVPR7PUC2G6TJC62ZIF7RUXRLPHRJ6/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8DQ75 
 
Link:https://gitee.com/openeuler/kernel/pulls/6276

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>