2502 	int copyback = 0, i, olen;  in pf_modulate_sack()  local
2535 				copyback = off + sizeof(*th) + thoptlen;  in pf_modulate_sack()
2547 	if (copyback) {  in pf_modulate_sack()
2548 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_modulate_sack()
2553 	return copyback;  in pf_modulate_sack()
6885 	int                      copyback = 0;  in pf_test_state_tcp()  local
7076 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7145 			copyback = off + sizeof(*th);  in pf_test_state_tcp()
7192 		copyback = pf_modulate_sack(pbuf, off, pd, th, dst);  in pf_test_state_tcp()
7193 		if (copyback == -1) {  in pf_test_state_tcp()
7218 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7328 			    *state, src, dst, &copyback)) {  in pf_test_state_tcp()
7460 		copyback = off + sizeof(*th);  in pf_test_state_tcp()
7463 	if (copyback) {  in pf_test_state_tcp()
7464 		if (pf_lazy_makewritable(pd, pbuf, copyback) == NULL) {  in pf_test_state_tcp()
7985 			int                      copyback = 0;  in pf_test_state_icmp()  local
8037 				copyback = 1;  in pf_test_state_icmp()
8151 				copyback = 1;  in pf_test_state_icmp()
8154 			if (copyback) {  in pf_test_state_icmp()