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[IPV6] IP6TUNNEL: Delete all tunnel device when unloading module.
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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1 changed files with 17 additions and 1 deletions
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@ -1149,6 +1149,20 @@ static int __init ip6_tunnel_init(void)
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return err;
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}
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static void __exit ip6ip6_destroy_tunnels(void)
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{
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int h;
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struct ip6_tnl *t;
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for (h = 0; h < HASH_SIZE; h++) {
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while ((t = tnls_r_l[h]) != NULL)
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unregister_netdevice(t->dev);
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}
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t = tnls_wc[0];
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unregister_netdevice(t->dev);
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}
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/**
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* ip6_tunnel_cleanup - free resources and unregister protocol
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**/
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@ -1158,7 +1172,9 @@ static void __exit ip6_tunnel_cleanup(void)
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if (xfrm6_tunnel_deregister(&ip6ip6_handler))
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printk(KERN_INFO "ip6ip6 close: can't deregister tunnel\n");
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unregister_netdev(ip6ip6_fb_tnl_dev);
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rtnl_lock();
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ip6ip6_destroy_tunnels();
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rtnl_unlock();
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}
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module_init(ip6_tunnel_init);
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