- retcode = NO_ERROR;
-
- new_my_addr = (struct sockaddr *)&new_conf->my_addr;
- new_peer_addr = (struct sockaddr *)&new_conf->peer_addr;
-
- /* No need for _rcu here. All reconfiguration is
- * strictly serialized on genl_lock(). We are protected against
- * concurrent reconfiguration/addition/deletion */
- list_for_each_entry(oconn, &drbd_tconns, all_tconn) {
- struct net_conf *nc;
- if (oconn == tconn)
- continue;
-
- rcu_read_lock();
- nc = rcu_dereference(oconn->net_conf);
- if (nc) {
- taken_addr = (struct sockaddr *)&nc->my_addr;
- if (new_conf->my_addr_len == nc->my_addr_len &&
- !memcmp(new_my_addr, taken_addr, new_conf->my_addr_len))
- retcode = ERR_LOCAL_ADDR;
-
- taken_addr = (struct sockaddr *)&nc->peer_addr;
- if (new_conf->peer_addr_len == nc->peer_addr_len &&
- !memcmp(new_peer_addr, taken_addr, new_conf->peer_addr_len))
- retcode = ERR_PEER_ADDR;
- }
- rcu_read_unlock();
- if (retcode != NO_ERROR)
- goto fail;
- }
-