2597 	int copyback = 0, i, olen;  in pf_modulate_sack()  local
2630 				copyback = off + sizeof(*th) + thoptlen;  in pf_modulate_sack()
2642 	if (copyback) {  in pf_modulate_sack()
2643 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_modulate_sack()
2648 	return copyback;  in pf_modulate_sack()
7024 	int                      copyback = 0;  in pf_test_state_tcp()  local
7215 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7284 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7331 		copyback = pf_modulate_sack(pbuf, off, pd, th, dst);  in pf_test_state_tcp()
7332 		if (copyback == -1) {  in pf_test_state_tcp()
7357 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7467 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7599 		copyback = off + sizeof(*th);  in pf_test_state_tcp()
7602 	if (copyback) {  in pf_test_state_tcp()
7603 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_test_state_tcp()
8150 			int                      copyback = 0;  in pf_test_state_icmp()  local
8202 				copyback = 1;  in pf_test_state_icmp()
8316 				copyback = 1;  in pf_test_state_icmp()
8319 			if (copyback) {  in pf_test_state_icmp()