2616 	int copyback = 0, i, olen;  in pf_modulate_sack()  local
2649 				copyback = off + sizeof(*th) + thoptlen;  in pf_modulate_sack()
2661 	if (copyback) {  in pf_modulate_sack()
2662 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_modulate_sack()
2667 	return copyback;  in pf_modulate_sack()
7044 	int                      copyback = 0;  in pf_test_state_tcp()  local
7235 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7304 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7351 		copyback = pf_modulate_sack(pbuf, off, pd, th, dst);  in pf_test_state_tcp()
7352 		if (copyback == -1) {  in pf_test_state_tcp()
7377 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7487 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7619 		copyback = off + sizeof(*th);  in pf_test_state_tcp()
7622 	if (copyback) {  in pf_test_state_tcp()
7623 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_test_state_tcp()
8170 			int                      copyback = 0;  in pf_test_state_icmp()  local
8222 				copyback = 1;  in pf_test_state_icmp()
8336 				copyback = 1;  in pf_test_state_icmp()
8339 			if (copyback) {  in pf_test_state_icmp()