Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index cb8929681dc7597eebcc46026e4b6548f4bedadb..4c60c6f71cd30bf18f270c3d994f193ad13045ae 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -148,8 +148,13 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
         *      connect() to INADDR_ANY means loopback (BSD'ism).
         */
 
-       if (ipv6_addr_any(&usin->sin6_addr))
-               usin->sin6_addr.s6_addr[15] = 0x1;
+       if (ipv6_addr_any(&usin->sin6_addr)) {
+               if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
+                       ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
+                                              &usin->sin6_addr);
+               else
+                       usin->sin6_addr = in6addr_loopback;
+       }
 
        addr_type = ipv6_addr_type(&usin->sin6_addr);
 
@@ -188,7 +193,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
         *      TCP over IPv4
         */
 
-       if (addr_type == IPV6_ADDR_MAPPED) {
+       if (addr_type & IPV6_ADDR_MAPPED) {
                u32 exthdrlen = icsk->icsk_ext_hdr_len;
                struct sockaddr_in sin;
 
@@ -991,6 +996,16 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
        return 0; /* don't send reset */
 }
 
+static void tcp_v6_restore_cb(struct sk_buff *skb)
+{
+       /* We need to move header back to the beginning if xfrm6_policy_check()
+        * and tcp_v6_fill_cb() are going to be called again.
+        * ip6_datagram_recv_specific_ctl() also expects IP6CB to be there.
+        */
+       memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
+               sizeof(struct inet6_skb_parm));
+}
+
 static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *skb,
                                         struct request_sock *req,
                                         struct dst_entry *dst,
@@ -1182,8 +1197,10 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
                                                      sk_gfp_mask(sk, GFP_ATOMIC));
                        consume_skb(ireq->pktopts);
                        ireq->pktopts = NULL;
-                       if (newnp->pktoptions)
+                       if (newnp->pktoptions) {
+                               tcp_v6_restore_cb(newnp->pktoptions);
                                skb_set_owner_r(newnp->pktoptions, newsk);
+                       }
                }
        }
 
@@ -1198,16 +1215,6 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
        return NULL;
 }
 
-static void tcp_v6_restore_cb(struct sk_buff *skb)
-{
-       /* We need to move header back to the beginning if xfrm6_policy_check()
-        * and tcp_v6_fill_cb() are going to be called again.
-        * ip6_datagram_recv_specific_ctl() also expects IP6CB to be there.
-        */
-       memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
-               sizeof(struct inet6_skb_parm));
-}
-
 /* The socket must have it's spinlock held when we get
  * here, unless it is a TCP_LISTEN socket.
  *