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authorYao Xiwei <xiwei.yao@6wind.com>2015-04-02 17:31:17 +0200
committerSteffen Klassert <steffen.klassert@secunet.com>2015-04-07 07:52:28 +0200
commit092a29a40bab8bb4530bb3e58a0597001cdecdef (patch)
tree0f2fc79d557ce4de947bd5e5ce8447128514ea24 /net/ipv6
parent68c11e98ef6748ddb63865799b12fc45abb3755d (diff)
downloadlinux-092a29a40bab8bb4530bb3e58a0597001cdecdef.tar.bz2
vti6: fix uninit when using x-netns
When the kernel deleted a vti6 interface, this interface was not removed from the tunnels list. Thus, when the ip6_vti module was removed, this old interface was found and the kernel tried to delete it again. This was leading to a kernel panic. Fixes: 61220ab34948 ("vti6: Enable namespace changing") Signed-off-by: Yao Xiwei <xiwei.yao@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_vti.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 5fb9e212eca8..a4ac85052e44 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -288,8 +288,7 @@ static struct ip6_tnl *vti6_locate(struct net *net, struct __ip6_tnl_parm *p,
static void vti6_dev_uninit(struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct net *net = dev_net(dev);
- struct vti6_net *ip6n = net_generic(net, vti6_net_id);
+ struct vti6_net *ip6n = net_generic(t->net, vti6_net_id);
if (dev == ip6n->fb_tnl_dev)
RCU_INIT_POINTER(ip6n->tnls_wc[0], NULL);