diff --git a/sql/spatial.cc b/sql/spatial.cc index 7aab91b5a5b..7643b3a649d 100644 --- a/sql/spatial.cc +++ b/sql/spatial.cc @@ -1,5 +1,5 @@ /* - Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. + Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -849,6 +849,8 @@ int Gis_polygon::area(double *ar, const char **end_of_data) const if (no_data(data, 4)) return 1; n_points= uint4korr(data); + if (n_points == 0) + return 1; if (not_enough_points(data, n_points)) return 1; get_point(&prev_x, &prev_y, data+4);