File bnc641580_CVE-2010-3311.diff of Package ft2demos

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File bnc641580_CVE-2010-3311.diff of Package ft2demos

Index: freetype-2.3.9/src/base/ftstream.c
===================================================================
--- freetype-2.3.9.orig/src/base/ftstream.c
+++ freetype-2.3.9/src/base/ftstream.c
@@ -70,10 +70,16 @@
   {
     FT_Error  error = FT_Err_Ok;
 
+    /* note that seeking to the first position after the file is valid */
+    if ( pos > stream->size )
+    {
+      FT_ERROR(( "FT_Stream_Seek: invalid i/o; pos = 0x%lx, size = 0x%lx\n",
+                 pos, stream->size ));
 
-    stream->pos = pos;
+      error = FT_Err_Invalid_Stream_Operation;
+    }
 
-    if ( stream->read )
+    if ( !error && stream->read )
     {
       if ( stream->read( stream, pos, 0, 0 ) )
       {
@@ -83,14 +89,9 @@
         error = FT_Err_Invalid_Stream_Operation;
       }
     }
-    /* note that seeking to the first position after the file is valid */
-    else if ( pos > stream->size )
-    {
-      FT_ERROR(( "FT_Stream_Seek: invalid i/o; pos = 0x%lx, size = 0x%lx\n",
-                 pos, stream->size ));
 
-      error = FT_Err_Invalid_Stream_Operation;
-    }
+    if ( !error )
+      stream->pos = pos;
 
     return error;
   }

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File bnc641580_CVE-2010-3311.diff of Package ft2demos

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