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| author | Brian Haley <brian.haley@hp.com> | 2010-07-20 10:34:30 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-22 13:41:32 -0700 |
| commit | 64e724f62ab743d55229cd5e27ec8b068b68eb16 (patch) | |
| tree | cc73b4a138f1fa2585f8bc4cb44f91c6c5751cc7 | |
| parent | be2b6e62357dd7ee56bdcb05e54002afb4830292 (diff) | |
| download | linux-64e724f62ab743d55229cd5e27ec8b068b68eb16.tar.gz linux-64e724f62ab743d55229cd5e27ec8b068b68eb16.tar.bz2 linux-64e724f62ab743d55229cd5e27ec8b068b68eb16.zip | |
ipv6: Don't add routes to ipv6 disabled interfaces.
If the interface has IPv6 disabled, don't add a multicast or
link-local route since we won't be adding a link-local address.
Reported-by: Mahesh Kelkar <maheshkelkar@gmail.com>
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/addrconf.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e1a698df5706..784f34d11fdd 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1760,7 +1760,10 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev) idev = ipv6_find_idev(dev); if (!idev) - return NULL; + return ERR_PTR(-ENOBUFS); + + if (idev->cnf.disable_ipv6) + return ERR_PTR(-EACCES); /* Add default multicast route */ addrconf_add_mroute(dev); @@ -2129,8 +2132,9 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx, if (!dev) return -ENODEV; - if ((idev = addrconf_add_dev(dev)) == NULL) - return -ENOBUFS; + idev = addrconf_add_dev(dev); + if (IS_ERR(idev)) + return PTR_ERR(idev); scope = ipv6_addr_scope(pfx); @@ -2377,7 +2381,7 @@ static void addrconf_dev_config(struct net_device *dev) } idev = addrconf_add_dev(dev); - if (idev == NULL) + if (IS_ERR(idev)) return; memset(&addr, 0, sizeof(struct in6_addr)); @@ -2468,7 +2472,7 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) ASSERT_RTNL(); idev = addrconf_add_dev(dev); - if (!idev) { + if (IS_ERR(idev)) { printk(KERN_DEBUG "init ip6-ip6: add_dev failed\n"); return; } |