Merge "bta_jv_act: Avoid potential NULL dereference"

  if (tc) {

    // try to find an open socked for that addr and channel

    t = fcclient_find_by_addr(tc->clients, &bd_addr);

  }

  if (!t) {

    // no socket -> drop it

    return;

  }

  }

  sock_cback = t->p_cback;

  sock_id = t->l2cap_socket_id;