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| author | Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2014-04-16 11:19:34 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-04-16 15:16:02 -0400 |
| commit | 74462f0d4a734274a04dbbe58099134cbe7a5522 (patch) | |
| tree | cb101fb876cb4257104bd2924f4238ea1c1db230 /net/ipv6/ip6_tunnel.c | |
| parent | 9aad77c3b5cc9151d356b66ee8533e85ca7da192 (diff) | |
| download | lwn-74462f0d4a734274a04dbbe58099134cbe7a5522.tar.gz lwn-74462f0d4a734274a04dbbe58099134cbe7a5522.zip | |
ip6_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).
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index e1df691d78be..b05b609f69d1 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1340,8 +1340,8 @@ ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) int err = 0; struct ip6_tnl_parm p; struct __ip6_tnl_parm p1; - struct ip6_tnl *t = NULL; - struct net *net = dev_net(dev); + struct ip6_tnl *t = netdev_priv(dev); + struct net *net = t->net; struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id); switch (cmd) { @@ -1353,11 +1353,11 @@ ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } ip6_tnl_parm_from_user(&p1, &p); t = ip6_tnl_locate(net, &p1, 0); + if (t == NULL) + t = netdev_priv(dev); } else { memset(&p, 0, sizeof(p)); } - if (t == NULL) - t = netdev_priv(dev); ip6_tnl_parm_to_user(&p, &t->parms); if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof (p))) { err = -EFAULT; |