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Nicolas Dichtel authored
It's possible to remove the FB tunnel with the command 'ip link del ip6gre0' but this is unsafe, the module always supposes that this device exists. For example, ip6gre_tunnel_lookup() may use it unconditionally. Let's add a rtnl handler for dellink, which will never remove the FB tunnel (we let ip6gre_destroy_tunnels() do the job). Introduced by commit c12b395a ("gre: Support GRE over IPv6"). CC: Dmitry Kozlov <xeb@mail.ru> Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
54d63f78