Deleted Added
full compact
if_tun.c (194368) if_tun.c (194990)
1/* $NetBSD: if_tun.c,v 1.14 1994/06/29 06:36:25 cgd Exp $ */
2
3/*-
4 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
5 * Nottingham University 1987.
6 *
7 * This source may be freely distributed, however I would be interested
8 * in any changes that are made.
9 *
10 * This driver takes packets off the IP i/f and hands them up to a
11 * user process to have its wicked way with. This driver has it's
12 * roots in a similar driver written by Phil Cockcroft (formerly) at
13 * UCL. This driver is based much more on read/write/poll mode of
14 * operation though.
15 *
1/* $NetBSD: if_tun.c,v 1.14 1994/06/29 06:36:25 cgd Exp $ */
2
3/*-
4 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
5 * Nottingham University 1987.
6 *
7 * This source may be freely distributed, however I would be interested
8 * in any changes that are made.
9 *
10 * This driver takes packets off the IP i/f and hands them up to a
11 * user process to have its wicked way with. This driver has it's
12 * roots in a similar driver written by Phil Cockcroft (formerly) at
13 * UCL. This driver is based much more on read/write/poll mode of
14 * operation though.
15 *
16 * $FreeBSD: head/sys/net/if_tun.c 194368 2009-06-17 15:01:01Z bz $
16 * $FreeBSD: head/sys/net/if_tun.c 194990 2009-06-25 18:46:30Z kib $
17 */
18
19#include "opt_atalk.h"
20#include "opt_inet.h"
21#include "opt_inet6.h"
22#include "opt_ipx.h"
23
24#include <sys/param.h>

--- 858 unchanged lines hidden (view full) ---

883 if ((ifp->if_flags & IFF_UP) != IFF_UP)
884 /* ignore silently */
885 return (0);
886
887 if (uio->uio_resid == 0)
888 return (0);
889
890 if (uio->uio_resid < 0 || uio->uio_resid > TUNMRU) {
17 */
18
19#include "opt_atalk.h"
20#include "opt_inet.h"
21#include "opt_inet6.h"
22#include "opt_ipx.h"
23
24#include <sys/param.h>

--- 858 unchanged lines hidden (view full) ---

883 if ((ifp->if_flags & IFF_UP) != IFF_UP)
884 /* ignore silently */
885 return (0);
886
887 if (uio->uio_resid == 0)
888 return (0);
889
890 if (uio->uio_resid < 0 || uio->uio_resid > TUNMRU) {
891 TUNDEBUG(ifp, "len=%d!\n", uio->uio_resid);
891 TUNDEBUG(ifp, "len=%zd!\n", uio->uio_resid);
892 return (EIO);
893 }
894
895 if ((m = m_uiotombuf(uio, M_DONTWAIT, 0, 0, M_PKTHDR)) == NULL) {
896 ifp->if_ierrors++;
897 return (error);
898 }
899

--- 183 unchanged lines hidden ---
892 return (EIO);
893 }
894
895 if ((m = m_uiotombuf(uio, M_DONTWAIT, 0, 0, M_PKTHDR)) == NULL) {
896 ifp->if_ierrors++;
897 return (error);
898 }
899

--- 183 unchanged lines hidden ---