From: Yao Xiwei Date: Thu, 2 Apr 2015 15:31:17 +0000 (+0200) Subject: vti6: fix uninit when using x-netns X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=092a29a40bab8bb4530bb3e58a0597001cdecdef;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git 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 Signed-off-by: Nicolas Dichtel Signed-off-by: Steffen Klassert --- 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);