From ca7243afeceb23330ca251df5cbef34c8f5e5be0 Mon Sep 17 00:00:00 2001
From: Thomas Bonfort <thomas.bonfort@gmail.com>
Date: Tue, 3 Jul 2012 19:59:38 +0200
Subject: [PATCH] crash from msTiledSHPOpenFile (#4254)

---
 mapshape.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mapshape.c b/mapshape.c
index 6900785d30..2b25bf355a 100644
--- a/mapshape.c
+++ b/mapshape.c
@@ -1865,7 +1865,8 @@ int msTiledSHPOpenFile(layerObj *layer)
     free(tSHP);
     return MS_FAILURE;
   }
-
+  
+  tSHP->shpfile->isopen = MS_FALSE; /* in case of error: do not try to close the shpfile */
   tSHP->tileshpfile = NULL; /* may need this if not using a tile layer, look for malloc later */
   layer->layerinfo = tSHP;
 
@@ -1899,6 +1900,7 @@ int msTiledSHPOpenFile(layerObj *layer)
                  __FILE__, __LINE__, sizeof(shapefileObj));
       free(tSHP->shpfile);
       free(tSHP);
+      layer->layerinfo = NULL;
       return MS_FAILURE;
     }