diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2021-07-27 15:45:06 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-27 20:11:44 +0100 |
| commit | 3e7a1c7c561ed8508fbdb98ed5708175bbcf7938 (patch) | |
| tree | 9edd56c10c5cc072d9ee196fb3bbb0c0b4db1bca /net/ipv6/ip6_gre.c | |
| parent | ae6af0120dda5d2ccde33ba8b7a6337066e10cbd (diff) | |
| download | linux-3e7a1c7c561ed8508fbdb98ed5708175bbcf7938.tar.bz2 | |
ip_tunnel: use ndo_siocdevprivate
The various ipv4 and ipv6 tunnel drivers each implement a set
of 12 SIOCDEVPRIVATE commands for managing tunnels. These
all work correctly in compat mode.
Move them over to the new .ndo_siocdevprivate operation.
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index bc224f917bbd..3ad201d372d8 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1244,8 +1244,9 @@ static void ip6gre_tnl_parm_to_user(struct ip6_tnl_parm2 *u, memcpy(u->name, p->name, sizeof(u->name)); } -static int ip6gre_tunnel_ioctl(struct net_device *dev, - struct ifreq *ifr, int cmd) +static int ip6gre_tunnel_siocdevprivate(struct net_device *dev, + struct ifreq *ifr, void __user *data, + int cmd) { int err = 0; struct ip6_tnl_parm2 p; @@ -1259,7 +1260,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev, switch (cmd) { case SIOCGETTUNNEL: if (dev == ign->fb_tunnel_dev) { - if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) { + if (copy_from_user(&p, data, sizeof(p))) { err = -EFAULT; break; } @@ -1270,7 +1271,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev, } memset(&p, 0, sizeof(p)); ip6gre_tnl_parm_to_user(&p, &t->parms); - if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p))) + if (copy_to_user(data, &p, sizeof(p))) err = -EFAULT; break; @@ -1281,7 +1282,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev, goto done; err = -EFAULT; - if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) + if (copy_from_user(&p, data, sizeof(p))) goto done; err = -EINVAL; @@ -1318,7 +1319,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev, memset(&p, 0, sizeof(p)); ip6gre_tnl_parm_to_user(&p, &t->parms); - if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p))) + if (copy_to_user(data, &p, sizeof(p))) err = -EFAULT; } else err = (cmd == SIOCADDTUNNEL ? -ENOBUFS : -ENOENT); @@ -1331,7 +1332,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev, if (dev == ign->fb_tunnel_dev) { err = -EFAULT; - if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) + if (copy_from_user(&p, data, sizeof(p))) goto done; err = -ENOENT; ip6gre_tnl_parm_from_user(&p1, &p); @@ -1398,7 +1399,7 @@ static const struct net_device_ops ip6gre_netdev_ops = { .ndo_init = ip6gre_tunnel_init, .ndo_uninit = ip6gre_tunnel_uninit, .ndo_start_xmit = ip6gre_tunnel_xmit, - .ndo_do_ioctl = ip6gre_tunnel_ioctl, + .ndo_siocdevprivate = ip6gre_tunnel_siocdevprivate, .ndo_change_mtu = ip6_tnl_change_mtu, .ndo_get_stats64 = dev_get_tstats64, .ndo_get_iflink = ip6_tnl_get_iflink, |