From: huaibin Wang <[email protected]> This patch has been added to the 3.12 stable tree. If you have any objections, please let us know.
=============== [ 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: Jiri Slaby <[email protected]> --- net/ipv6/ip6_gre.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 7d640f276e87..b2e4c77d9a8c 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -360,6 +360,7 @@ static void ip6gre_tunnel_uninit(struct net_device *dev) 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); } -- 2.6.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
