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| author |   David S. Miller <davem@davemloft.net> | 2012-12-04 14:46:34 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-04 14:46:34 -0500 |
| commit | b1afce9538eef6239798ec54cead3c39d69724ca (patch) | |
| tree | 14f839aa34fb1a63d6c559961120124a266b15ad /net | |
| parent | ip6mr: fix rtm_family of rtnl msg (diff) | |
| download | linux-dev-b1afce9538eef6239798ec54cead3c39d69724ca.tar.xz linux-dev-b1afce9538eef6239798ec54cead3c39d69724ca.zip | |
ipv6: Protect ->mc_forwarding access with CONFIG_IPV6_MROUTE
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/addrconf.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 28e0e627229c..6fca01f136ad 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -469,8 +469,10 @@ static int inet6_netconf_msgsize_devconf(int type) /* type -1 is used for ALL */ if (type == -1 || type == NETCONFA_FORWARDING) size += nla_total_size(4); +#ifdef CONFIG_IPV6_MROUTE if (type == -1 || type == NETCONFA_MC_FORWARDING) size += nla_total_size(4); +#endif return size; } @@ -498,11 +500,12 @@ static int inet6_netconf_fill_devconf(struct sk_buff *skb, int ifindex, if ((type == -1 || type == NETCONFA_FORWARDING) && nla_put_s32(skb, NETCONFA_FORWARDING, devconf->forwarding) < 0) goto nla_put_failure; +#ifdef CONFIG_IPV6_MROUTE if ((type == -1 || type == NETCONFA_MC_FORWARDING) && nla_put_s32(skb, NETCONFA_MC_FORWARDING, devconf->mc_forwarding) < 0) goto nla_put_failure; - +#endif return nlmsg_end(skb, nlh); nla_put_failure: |