ip6_gre: release cached dst on tunnel removal

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commit d4257295ba upstream.

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: c12b395a46 ("gre: Support GRE over IPv6")
Signed-off-by: huaibin Wang <huaibin.wang@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

...

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huaibin Wang 2015-08-25 16:20:34 +02:00 • committed by Luis Henriques

parent 8a88f912fa

commit 36d6dfffc0

1 changed files with 1 additions and 0 deletions

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net/ipv6/ip6_gre.c

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