From: Sandro Santilli <strk@keybit.net>
Date: Wed, 26 Aug 2015 10:19:58 +0000 (+0000)
Subject: Fix memory leak in _lwt_CheckEdgeCrossing, used by edge adding funx
X-Git-Tag: 2.2.0rc1~93
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=043391c59b5e42f1300ada3f2781ca601ae88878;p=postgis

Fix memory leak in _lwt_CheckEdgeCrossing, used by edge adding funx

Thanks Alessandro Furieri for spotting this

git-svn-id: http://svn.osgeo.org/postgis/trunk@13999 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/liblwgeom/lwgeom_topo.c b/liblwgeom/lwgeom_topo.c
index 8df4b2465..c28d63f86 100644
--- a/liblwgeom/lwgeom_topo.c
+++ b/liblwgeom/lwgeom_topo.c
@@ -666,10 +666,11 @@ _lwt_CheckEdgeCrossing( LWT_TOPOLOGY* topo,
 
     match = GEOSRelatePatternMatch(relate, "F********");
     if ( match ) {
+      /* error or no interior intersection */
+      GEOSGeom_destroy(eegg);
       if ( match == 2 ) {
         GEOSPreparedGeom_destroy(prepared_edge);
         GEOSGeom_destroy(edgegg);
-        GEOSGeom_destroy(eegg);
         GEOSFree(relate);
         lwerror("GEOSRelatePatternMatch error: %s", lwgeom_geos_errmsg);
         return -1;