sys/kern/uipc_usrreq.c

196  * interconnection of unpcbs, the v_socket and unp_vnode pointers, and can be
495 	if (unp->unp_vnode != NULL) {
556 	unp->unp_vnode = vp;
676 	if ((vp = unp->unp_vnode) != NULL) {
678 		unp->unp_vnode = NULL;
750 	if (unp->unp_vnode == NULL) {
2494  * For an active vnode it clears unp_vnode pointer and decrements unp_vnode
2517 	if (unp->unp_vnode == vp) {
2519 		unp->unp_vnode = NULL;
2618 	db_printf("unp_socket: %p   unp_vnode: %p\n", unp->unp_socket,
2619 	    unp->unp_vnode);