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| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2007-02-28 23:13:20 +0900 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:23:44 -0700 |
| commit | ca043569390c528de4cd5ec9e07502f2bf4ecd1f (patch) | |
| tree | 939512ab133de1d85350e8ce5365f9daf4b2b63b /net/ipv6/ndisc.c | |
| parent | 95c385b4d5a71b8ad552aecaa968ea46d7da2f6a (diff) | |
| download | linux-ca043569390c528de4cd5ec9e07502f2bf4ecd1f.tar.bz2 | |
[IPV6] ADDRCONF: Fix possible inet6_ifaddr leakage with CONFIG_OPTIMISTIC_DAD.
The inet6_ifaddr for source address of RS is leaked if the address
is not an optimistic address.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ndisc.c')
| -rw-r--r-- | net/ipv6/ndisc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index b79b00042310..053147a0027e 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -627,7 +627,6 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr, struct sk_buff *skb; struct icmp6hdr *hdr; __u8 * opt; - struct inet6_ifaddr *ifp; int send_sllao = dev->addr_len; int len; int err; @@ -643,12 +642,12 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr, * supress the inclusion of the sllao. */ if (send_sllao) { - ifp = ipv6_get_ifaddr(saddr, dev, 1); + struct inet6_ifaddr *ifp = ipv6_get_ifaddr(saddr, dev, 1); if (ifp) { if (ifp->flags & IFA_F_OPTIMISTIC) { - send_sllao=0; - in6_ifa_put(ifp); + send_sllao = 0; } + in6_ifa_put(ifp); } else { send_sllao = 0; } |