!6301 v2 tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang Hai <wanghai38@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/WPKDGYNEP2RBUMD4436MZXA7OYI2NS3K/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9DNZ2 
 
Link:https://gitee.com/openeuler/kernel/pulls/6301

 

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