Merge branch 'pxa-fixes'

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

diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index cae95af..6a7d010 100644 (file)
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -105,6 +105,32 @@ out:
        return error;
 }
 
+/* Exactly duplicate the address lists.  This is necessary when doing
+ * peer-offs and accepts.  We don't want to put all the current system
+ * addresses into the endpoint.  That's useless.  But we do want duplicat
+ * the list of bound addresses that the older endpoint used.
+ */
+int sctp_bind_addr_dup(struct sctp_bind_addr *dest,
+                       const struct sctp_bind_addr *src,
+                       gfp_t gfp)
+{
+       struct sctp_sockaddr_entry *addr;
+       struct list_head *pos;
+       int error = 0;
+
+       /* All addresses share the same port.  */
+       dest->port = src->port;
+
+       list_for_each(pos, &src->address_list) {
+               addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+               error = sctp_add_bind_addr(dest, &addr->a, 1, gfp);
+               if (error < 0)
+                       break;
+       }
+
+       return error;
+}
+
 /* Initialize the SCTP_bind_addr structure for either an endpoint or
  * an association.
  */