From: huaibin Wang <huaibin.w...@6wind.com> 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 <x...@mail.ru> Fixes: c12b395a4664 ("gre: Support GRE over IPv6") Signed-off-by: huaibin Wang <huaibin.w...@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dich...@6wind.com> --- 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 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); } -- 2.4.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html