[SCTP]: Correctly set IP id for SCTP traffic

[powerpc.git] / net / sctp / socket.c

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9deec43..935bc91 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -821,7 +821,7 @@ out:
  * addrs is a pointer to an array of one or more socket addresses. Each
  * address is contained in its appropriate structure (i.e. struct
  * sockaddr_in or struct sockaddr_in6) the family of the address type
- * must be used to distengish the address length (note that this
+ * must be used to distinguish the address length (note that this
  * representation is termed a "packed array" of addresses). The caller
  * specifies the number of addresses in the array with addrcnt.
  *
@@ -3372,6 +3372,7 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc,
 {
        struct sock *sk = asoc->base.sk;
        struct socket *sock;
+       struct inet_sock *inetsk;
        int err = 0;
 
        /* An association cannot be branched off from an already peeled-off
@@ -3389,6 +3390,14 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc,
         * asoc to the newsk.
         */
        sctp_sock_migrate(sk, sock->sk, asoc, SCTP_SOCKET_UDP_HIGH_BANDWIDTH);
+
+       /* Make peeled-off sockets more like 1-1 accepted sockets.
+        * Set the daddr and initialize id to something more random
+        */
+       inetsk = inet_sk(sock->sk);
+       inetsk->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
+       inetsk->id = asoc->next_tsn ^ jiffies;
+
        *sockp = sock;
 
        return err;