!5171 net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/DRRRVPPXKYECVREG6GIFCUEDYTT76BV2/ 
 
https://gitee.com/src-openeuler/kernel/issues/I95AXP 
 
Link:https://gitee.com/openeuler/kernel/pulls/5171

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>