migration: Don't send data if we have stopped

If we do a cancel, we got out without one error, but we can't do the
rest of the output as in a normal situation.
Signed-off-by: NJuan Quintela <quintela@redhat.com>
Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>

migration/ram.c

@@ -3524,7 +3524,8 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
     ram_control_after_iterate(f, RAM_CONTROL_ROUND);
 
 out:
-    if (ret >= 0) {
+    if (ret >= 0
+        && migration_is_setup_or_active(migrate_get_current()->state)) {
         multifd_send_sync_main(rs);
         qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
         qemu_fflush(f);