From 024da67802d85d5adb1e31ec426b592eb8d23738 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Fri, 26 Nov 2004 22:35:00 +0000
Subject: [PATCH] don't crash on invalid tiff

---
 panda/src/pnmimagetypes/pnmFileTypeTIFF.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/panda/src/pnmimagetypes/pnmFileTypeTIFF.cxx b/panda/src/pnmimagetypes/pnmFileTypeTIFF.cxx
index 31cf0e0796..113aed9b53 100644
--- a/panda/src/pnmimagetypes/pnmFileTypeTIFF.cxx
+++ b/panda/src/pnmimagetypes/pnmFileTypeTIFF.cxx
@@ -513,7 +513,9 @@ Reader(PNMFileType *type, istream *file, bool owns_file, string magic_number) :
 ////////////////////////////////////////////////////////////////////
 PNMFileTypeTIFF::Reader::
 ~Reader() {
-  TIFFClose( tif );
+  if (tif != (struct tiff *)NULL) {
+    TIFFClose(tif);
+  }
 }
 
 ////////////////////////////////////////////////////////////////////