diff options
| author | Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2014-04-16 11:19:32 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-04-16 15:16:02 -0400 |
| commit | 8c923ce219b775cc659a31616590afee239a84e5 (patch) | |
| tree | a45ff5baecbf227b312cf57a53497facf19b49f1 /net/ipv4 | |
| parent | b7c0ddf5f270b2a3c0af326cb300eb17175d58e3 (diff) | |
ip_tunnel: use the right netns in ioctl handler
Because the netdevice may be in another netns than the i/o netns, we should
use the i/o netns instead of dev_net(dev).
The variable 'tunnel' was used only to get 'itn', hence to simplify code I
remove it and use 't' instead.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_tunnel.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 484d0ce27ef..fa5b7519765 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -722,19 +722,18 @@ static void ip_tunnel_update(struct ip_tunnel_net *itn, int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd) { int err = 0; - struct ip_tunnel *t; - struct net *net = dev_net(dev); - struct ip_tunnel *tunnel = netdev_priv(dev); - struct ip_tunnel_net *itn = net_generic(net, tunnel->ip_tnl_net_id); + struct ip_tunnel *t = netdev_priv(dev); + struct net *net = t->net; + struct ip_tunnel_net *itn = net_generic(net, t->ip_tnl_net_id); BUG_ON(!itn->fb_tunnel_dev); switch (cmd) { case SIOCGETTUNNEL: - t = NULL; - if (dev == itn->fb_tunnel_dev) + if (dev == itn->fb_tunnel_dev) { t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type); - if (t == NULL) - t = netdev_priv(dev); + if (t == NULL) + t = netdev_priv(dev); + } memcpy(p, &t->parms, sizeof(*p)); break; |