bsd/net/pf.c

2296 	int copyback = 0, i, olen;
2327 				copyback = off + sizeof (*th) + thoptlen;
2338 	if (copyback) {
2339 		m = pf_lazy_makewritable(pd, m, copyback);
2344 	return (copyback);
5801 	int			 copyback = 0;
5967 			copyback = off + sizeof (*th);
6033 			copyback = off+ sizeof (*th);
6078 		copyback = pf_modulate_sack(m, off, pd, th, dst);
6079 		if (copyback == -1) {
6104 			    *state, src, dst, &copyback))
6204 			    *state, src, dst, &copyback))
6296 		copyback = off + sizeof (*th);
6299 	if (copyback) {
6300 		m = pf_lazy_makewritable(pd, m, copyback);
6718 			int			 copyback = 0;
6767 				copyback = 1;
6801 				copyback = 1;
6804 			if (copyback) {