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authorDavid S. Miller <davem@davemloft.net>2009-04-16 17:35:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-16 17:35:26 -0700
commita54bfa40fd16aeb90bc556189221576f746f8567 (patch)
tree176bb7a99ffab5f42f0dd4e9671f335be3f3efa0 /net/ipv6/udp.c
parentfe957c40ec5e2763b9977c565beab3bde3aaf85b (diff)
parent134ffb4cad92a6aa534e55a9be145bca780a32c1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6842dd2edd5..8905712cfbb 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -53,6 +53,8 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
{
const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
+ __be32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
+ __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
int sk_ipv6only = ipv6_only_sock(sk);
int sk2_ipv6only = inet_v6_ipv6only(sk2);
int addr_type = ipv6_addr_type(sk_rcv_saddr6);
@@ -60,7 +62,9 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
/* if both are mapped, treat as IPv4 */
if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
- return ipv4_rcv_saddr_equal(sk, sk2);
+ return (!sk2_ipv6only &&
+ (!sk_rcv_saddr || !sk2_rcv_saddr ||
+ sk_rcv_saddr == sk2_rcv_saddr));
if (addr_type2 == IPV6_ADDR_ANY &&
!(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))