req = &rpc->crpc_reqstmsg.msg_body.join_reqst;
req->join_sid = LST_INVALID_SID;
- strncpy(req->join_group, grp, LST_NAME_SIZE);
+ strncpy(req->join_group, grp, sizeof(req->join_group));
+ req->join_group[sizeof(req->join_group) - 1] = '\0';
sfw_post_rpc(rpc);