src/share/native/sun/java2d/cmm/lcms/cmsvirt.c

@@ -28,11 +28,11 @@
 // file:
 //
 //---------------------------------------------------------------------------------
 //
 //  Little Color Management System
-//  Copyright (c) 1998-2014 Marti Maria Saguer
+//  Copyright (c) 1998-2016 Marti Maria Saguer
 //
 // Permission is hereby granted, free of charge, to any person obtaining
 // a copy of this software and associated documentation files (the "Software"),
 // to deal in the Software without restriction, including without limitation
 // the rights to use, copy, modify, merge, publish, distribute, sublicense,

@@ -1165,19 +1165,24 @@
     }
 
     // If no way, then force CLUT that for sure can be written
     if (AllowedLUT == NULL) {
 
+        cmsStage* FirstStage;
+        cmsStage* LastStage;
+
         dwFlags |= cmsFLAGS_FORCE_CLUT;
         _cmsOptimizePipeline(ContextID, &LUT, xform ->RenderingIntent, &FrmIn, &FrmOut, &dwFlags);
 
         // Put identity curves if needed
-        if (cmsPipelineGetPtrToFirstStage(LUT) ->Type != cmsSigCurveSetElemType)
+        FirstStage = cmsPipelineGetPtrToFirstStage(LUT);
+        if (FirstStage != NULL && FirstStage ->Type != cmsSigCurveSetElemType)
              if (!cmsPipelineInsertStage(LUT, cmsAT_BEGIN, _cmsStageAllocIdentityCurves(ContextID, ChansIn)))
                  goto Error;
 
-        if (cmsPipelineGetPtrToLastStage(LUT) ->Type != cmsSigCurveSetElemType)
+        LastStage = cmsPipelineGetPtrToLastStage(LUT);
+        if (LastStage != NULL && LastStage ->Type != cmsSigCurveSetElemType)
              if (!cmsPipelineInsertStage(LUT, cmsAT_END,   _cmsStageAllocIdentityCurves(ContextID, ChansOut)))
                  goto Error;
 
         AllowedLUT = FindCombination(LUT, Version >= 4.0, DestinationTag);
     }