L2CAP_PSM_INVALID
if (L2CAP_PSM_INVALID(chan->lc_raddr.bt_psm))
&& L2CAP_PSM_INVALID(chan->lc_laddr.bt_psm))
|| L2CAP_PSM_INVALID(dlc->rd_raddr.bt_psm)))
|| L2CAP_PSM_INVALID(dlc->rd_laddr.bt_psm)))