This is a note to let you know that I've just added the patch titled
ip6_gre: release cached dst on tunnel removal
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ip6_gre-release-cached-dst-on-tunnel-removal.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From foo@baz Tue Sep 29 14:20:47 CEST 2015
From: huaibin Wang <[email protected]>
Date: Tue, 25 Aug 2015 16:20:34 +0200
Subject: ip6_gre: release cached dst on tunnel removal
From: huaibin Wang <[email protected]>
[ Upstream commit d4257295ba1b389c693b79de857a96e4b7cd8ac0 ]
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 <[email protected]>
Fixes: c12b395a4664 ("gre: Support GRE over IPv6")
Signed-off-by: huaibin Wang <[email protected]>
Signed-off-by: Nicolas Dichtel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv6/ip6_gre.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -359,6 +359,7 @@ static void ip6gre_tunnel_uninit(struct
struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
ip6gre_tunnel_unlink(ign, netdev_priv(dev));
+ ip6_tnl_dst_reset(netdev_priv(dev));
dev_put(dev);
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/ip6_gre-release-cached-dst-on-tunnel-removal.patch
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