-slightly better

diff --git a/src/util/connection.c b/src/util/connection.c
index ad39f5b48aeca7ff52d70a9215f7507024990ace..95c8347d0171d9578e1b6d8705b884c65908eb9a 100644 (file)
--- a/src/util/connection.c
+++ b/src/util/connection.c
@@ -1227,7 +1227,8 @@ process_notify (struct GNUNET_CONNECTION_Handle *connection)
       notify (connection->nth.notify_ready_cls, avail,
               &connection->write_buffer[connection->write_buffer_off]);
   GNUNET_assert (size <= avail);
-  connection->write_buffer_off += size;
+  if (0 != size)
+    connection->write_buffer_off += size;
   return GNUNET_YES;
 }