1935 	int Zspace, z1, z2; /* must be int for calculation */  in hfcmulti_tx()  local
2019 	z1 = HFC_inw_nodebug(hc, A_Z1) - hc->Zmin;  in hfcmulti_tx()
2027 	hc->chan[ch].Zfill = z1 - z2;  in hfcmulti_tx()
2030 	Zspace = z2 - z1;  in hfcmulti_tx()
2042 		if (z1 == z2) { /* empty */  in hfcmulti_tx()
2079 	    && !test_bit(FLG_HDLC, &bch->Flags) && z2 == z1) {  in hfcmulti_tx()
2134 		       __func__, hc->id + 1, ch, Zspace, z1, z2, ii-i, len-i,  in hfcmulti_tx()
2181 	int Zsize, z1, z2 = 0; /* = 0, to make GCC happy */  in hfcmulti_rx()  local
2230 	z1 = HFC_inw_nodebug(hc, A_Z1) - hc->Zmin;  in hfcmulti_rx()
2231 	while (z1 != (temp = (HFC_inw_nodebug(hc, A_Z1) - hc->Zmin))) {  in hfcmulti_rx()
2235 		z1 = temp; /* repeat until Z1 is equal */  in hfcmulti_rx()
2238 	Zsize = z1 - z2;  in hfcmulti_rx()
2279 			       Zsize, z1, z2, (f1 == f2) ? "fragment" : "COMPLETE",  in hfcmulti_rx()
2356 			       __func__, hc->id + 1, ch, Zsize, z1, z2);  in hfcmulti_rx()