diff -r 967402e4be8b -r 3a0ebf0b855d jdk/src/share/native/sun/java2d/cmm/lcms/cmsio0.c
--- a/jdk/src/share/native/sun/java2d/cmm/lcms/cmsio0.c	Thu Jun 02 13:38:28 2011 -0700
+++ b/jdk/src/share/native/sun/java2d/cmm/lcms/cmsio0.c	Sat Jun 04 23:08:38 2011 +0400
@@ -1636,6 +1636,11 @@
     TagDescriptor = _cmsGetTagDescriptor(sig);
 
     // Serialize
+    if (!_cmsWriteTypeBase(MemIO, TypeHandler ->Signature)) {
+        cmsCloseIOhandler(MemIO);
+        return 0;
+    }
+
     if (!TypeHandler ->WritePtr(TypeHandler, MemIO, Object, TagDescriptor ->ElemCount)) return 0;
 
     // Get Size and close