bsd/kern/kpi_socketfilter.c

1122 	struct socket_filter *sock_filt = NULL;
1139 	MALLOC(sock_filt, struct socket_filter *, sizeof (*sock_filt),
1141 	if (sock_filt == NULL) {
1145 	bzero(sock_filt, sizeof (*sock_filt));
1162 	bcopy(filter, &sock_filt->sf_filter, len);
1168 		    sock_filt->sf_filter.sf_handle) {
1175 		TAILQ_INSERT_TAIL(&sock_filter_head, sock_filt, sf_global_next);
1176 		if ((sock_filt->sf_filter.sf_flags & SFLT_GLOBAL) != 0) {
1177 			TAILQ_INSERT_TAIL(&pr->pr_filter_head, sock_filt,
1179 			sock_filt->sf_proto = pr;
1181 		sflt_retain_locked(sock_filt);
1186 		FREE(sock_filt, M_IFADDR);