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| author | huaibin Wang <huaibin.wang@6wind.com> | 2015-08-25 16:20:34 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-25 14:33:00 -0700 |
| commit | d4257295ba1b389c693b79de857a96e4b7cd8ac0 (patch) | |
| tree | b8e26b3e31c6db69e4c5ce38c6150016495195b8 | |
| parent | 8b63ec1837fa4c1ea604b278d201454eb3b85066 (diff) | |
| download | linux-d4257295ba1b389c693b79de857a96e4b7cd8ac0.tar.gz linux-d4257295ba1b389c693b79de857a96e4b7cd8ac0.tar.bz2 linux-d4257295ba1b389c693b79de857a96e4b7cd8ac0.zip | |
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: c12b395a4664 ("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>
| -rw-r--r-- | net/ipv6/ip6_gre.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index a38d3ac0f18f..69f4f689f06a 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -361,6 +361,7 @@ static void ip6gre_tunnel_uninit(struct net_device *dev) struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id); ip6gre_tunnel_unlink(ign, t); + ip6_tnl_dst_reset(t); dev_put(dev); } |