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Commit d4257295 authored by huaibin Wang's avatar huaibin Wang Committed by David S. Miller
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ip6_gre: release cached dst on tunnel removal



When a tunnel is deleted, the cached dst entry should be released.

This problem may prevent the removal of a netns (seen with a x-netns IPv6
gre tunnel):
  unregister_netdevice: waiting for lo to become free. Usage count = 3

CC: Dmitry Kozlov <xeb@mail.ru>
Fixes: c12b395a ("gre: Support GRE over IPv6")
Signed-off-by: default avatarhuaibin Wang <huaibin.wang@6wind.com>
Signed-off-by: default avatarNicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8b63ec18
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