This is a note to let you know that I've just added the patch titled
ipv6: assign rt6_info to inet6_ifaddr in init_loopback
to the 3.9-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:
ipv6-assign-rt6_info-to-inet6_ifaddr-in-init_loopback.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 28017e35af095f8af93ef3759d048c8835ffbb3e Mon Sep 17 00:00:00 2001
From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Date: Sun, 2 Jun 2013 22:16:21 +0000
Subject: ipv6: assign rt6_info to inet6_ifaddr in init_loopback
From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
[ Upstream commit 534c877928a16ae5f9776436a497109639bf67dc ]
Commit 25fb6ca4ed9cad72f14f61629b68dc03c0d9713f
"net IPv6 : Fix broken IPv6 routing table after loopback down-up"
forgot to assign rt6_info to the inet6_ifaddr.
When disable the net device, the rt6_info which allocated
in init_loopback will not be destroied in __ipv6_ifa_notify.
This will trigger the waring message below
[23527.916091] unregister_netdevice: waiting for tap0 to become free. Usage count = 1
Reported-by: Arkadiusz Miskiewicz <a.miskiewicz@xxxxxxxxx>
Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/addrconf.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2560,8 +2560,10 @@ static void init_loopback(struct net_dev
sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
/* Failure cases are ignored */
- if (!IS_ERR(sp_rt))
+ if (!IS_ERR(sp_rt)) {
+ sp_ifa->rt = sp_rt;
ip6_ins_rt(sp_rt);
+ }
}
read_unlock_bh(&idev->lock);
}
Patches currently in stable-queue which might be from gaofeng@xxxxxxxxxxxxxx are
queue-3.9/ipv6-assign-rt6_info-to-inet6_ifaddr-in-init_loopback.patch
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