!8574 net: ieee802154: fix null deref in parse dev addr

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Mingrui <liumingrui@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/YDFYF44ORZUNORCBKHZNVZKNEPYNHRMH/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9R4JK 
 
Link:https://gitee.com/openeuler/kernel/pulls/8574

 

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