From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42462 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752304AbbI3Dbf (ORCPT ); Tue, 29 Sep 2015 23:31:35 -0400 Subject: Patch "ip6_gre: release cached dst on tunnel removal" has been added to the 4.1-stable tree To: huaibin.wang@6wind.com, davem@davemloft.net, gregkh@linuxfoundation.org, nicolas.dichtel@6wind.com, xeb@mail.ru Cc: , From: Date: Wed, 30 Sep 2015 05:31:30 +0200 Message-ID: <1443583890144205@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 4.1-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-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Wed Sep 30 05:18:31 CEST 2015 From: huaibin Wang Date: Tue, 25 Aug 2015 16:20:34 +0200 Subject: ip6_gre: release cached dst on tunnel removal From: huaibin Wang [ 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 Fixes: c12b395a4664 ("gre: Support GRE over IPv6") Signed-off-by: huaibin Wang Signed-off-by: Nicolas Dichtel Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ip6_gre.c | 1 + 1 file changed, 1 insertion(+) --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -361,6 +361,7 @@ static void ip6gre_tunnel_uninit(struct struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id); ip6gre_tunnel_unlink(ign, t); + ip6_tnl_dst_reset(t); dev_put(dev); } Patches currently in stable-queue which might be from huaibin.wang@6wind.com are queue-4.1/ip6_gre-release-cached-dst-on-tunnel-removal.patch