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| author | Michal Wrobel <xmxwx@asn.pl> | 2007-02-26 15:36:10 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-02-28 09:41:58 -0800 |
| commit | 2c12a74cc4aeaebc378aa40ee11c7761a8ed05e0 (patch) | |
| tree | cf234e9f4c5a8594c53107d6bf8e9a25787d49df /net/ipv6/addrconf.c | |
| parent | 3a765aa528401c7aec2208f7ed1276b232b24c57 (diff) | |
| download | lwn-2c12a74cc4aeaebc378aa40ee11c7761a8ed05e0.tar.gz lwn-2c12a74cc4aeaebc378aa40ee11c7761a8ed05e0.zip | |
[IPV6]: anycast refcnt fix
This patch fixes a bug in Linux IPv6 stack which caused anycast address
to be added to a device prior DAD has been completed. This led to
incorrect reference count which resulted in infinite wait for
unregister_netdevice completion on interface removal.
Signed-off-by: Michal Wrobel <xmxwx@asn.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f6ac65d36559..e16f1bba5dff 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -400,6 +400,8 @@ static void dev_forward_change(struct inet6_dev *idev) ipv6_dev_mc_dec(dev, &addr); } for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) { + if (ifa->flags&IFA_F_TENTATIVE) + continue; if (idev->cnf.forwarding) addrconf_join_anycast(ifa); else |