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This patch comes from: http://bugzilla.maptools.org/attachment.cgi?id=513&action=diff 

Upstream-Status: Pending

Signed-off-by: Baogen shang <baogen.shang@windriver.com>
--- a/tools/tiff2pdf.c	2013-10-21 10:36:38.214170346 +0800
+++ b/tools/tiff2pdf.c	2013-10-21 10:38:58.246170329 +0800
@@ -2387,6 +2387,7 @@
 					TIFFFileName(input));
 				t2p->t2p_error = T2P_ERR_ERROR;
 			  _TIFFfree(buffer);
+			  return(0);
 			} else {
 				buffer=samplebuffer;
 				t2p->tiff_datasize *= t2p->tiff_samplesperpixel;