Merge branches 'irq-urgent-for-linus', 'x86-urgent-for-linus' and 'sched-urgent-for...

[pandora-kernel.git] / net / ipv6 / datagram.c

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 1656033..b46e9f8 100644 (file)
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -33,6 +33,11 @@
 #include <linux/errqueue.h>
 #include <asm/uaccess.h>
 
+static inline int ipv6_mapped_addr_any(const struct in6_addr *a)
+{
+       return (ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0));
+}
+
 int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {
        struct sockaddr_in6     *usin = (struct sockaddr_in6 *) uaddr;
@@ -102,10 +107,12 @@ ipv4_connected:
 
                ipv6_addr_set_v4mapped(inet->inet_daddr, &np->daddr);
 
-               if (ipv6_addr_any(&np->saddr))
+               if (ipv6_addr_any(&np->saddr) ||
+                   ipv6_mapped_addr_any(&np->saddr))
                        ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
 
-               if (ipv6_addr_any(&np->rcv_saddr)) {
+               if (ipv6_addr_any(&np->rcv_saddr) ||
+                   ipv6_mapped_addr_any(&np->rcv_saddr)) {
                        ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
                                               &np->rcv_saddr);
                        if (sk->sk_prot->rehash)
@@ -592,7 +599,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
        return 0;
 }
 
-int datagram_send_ctl(struct net *net,
+int datagram_send_ctl(struct net *net, struct sock *sk,
                      struct msghdr *msg, struct flowi6 *fl6,
                      struct ipv6_txoptions *opt,
                      int *hlimit, int *tclass, int *dontfrag)
@@ -651,7 +658,8 @@ int datagram_send_ctl(struct net *net,
 
                        if (addr_type != IPV6_ADDR_ANY) {
                                int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
-                               if (!ipv6_chk_addr(net, &src_info->ipi6_addr,
+                               if (!inet_sk(sk)->transparent &&
+                                   !ipv6_chk_addr(net, &src_info->ipi6_addr,
                                                   strict ? dev : NULL, 0))
                                        err = -EINVAL;
                                else