2600 	int copyback = 0, i, olen;  in pf_modulate_sack()  local
2633 				copyback = off + sizeof(*th) + thoptlen;  in pf_modulate_sack()
2645 	if (copyback) {  in pf_modulate_sack()
2646 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_modulate_sack()
2651 	return copyback;  in pf_modulate_sack()
7027 	int                      copyback = 0;  in pf_test_state_tcp()  local
7218 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7287 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7334 		copyback = pf_modulate_sack(pbuf, off, pd, th, dst);  in pf_test_state_tcp()
7335 		if (copyback == -1) {  in pf_test_state_tcp()
7360 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7470 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7602 		copyback = off + sizeof(*th);  in pf_test_state_tcp()
7605 	if (copyback) {  in pf_test_state_tcp()
7606 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_test_state_tcp()
8153 			int                      copyback = 0;  in pf_test_state_icmp()  local
8205 				copyback = 1;  in pf_test_state_icmp()
8319 				copyback = 1;  in pf_test_state_icmp()
8322 			if (copyback) {  in pf_test_state_icmp()