--- old/src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageWriter.java	2016-09-27 11:54:16.188375353 +0530
+++ new/src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageWriter.java	2016-09-27 11:54:15.972375353 +0530
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1234,43 +1234,46 @@
         clearAbortRequest();
 
         processImageStarted(0);
+        if (abortRequested()) {
+            processWriteAborted();
+        } else {
+            try {
+                write_magic();
+                write_IHDR();
+
+                write_cHRM();
+                write_gAMA();
+                write_iCCP();
+                write_sBIT();
+                write_sRGB();
+
+                write_PLTE();
+
+                write_hIST();
+                write_tRNS();
+                write_bKGD();
+
+                write_pHYs();
+                write_sPLT();
+                write_tIME();
+                write_tEXt();
+                write_iTXt();
+                write_zTXt();
 
-        try {
-            write_magic();
-            write_IHDR();
-
-            write_cHRM();
-            write_gAMA();
-            write_iCCP();
-            write_sBIT();
-            write_sRGB();
-
-            write_PLTE();
-
-            write_hIST();
-            write_tRNS();
-            write_bKGD();
-
-            write_pHYs();
-            write_sPLT();
-            write_tIME();
-            write_tEXt();
-            write_iTXt();
-            write_zTXt();
-
-            writeUnknownChunks();
+                writeUnknownChunks();
 
-            write_IDAT(im, deflaterLevel);
+                write_IDAT(im, deflaterLevel);
 
-            if (abortRequested()) {
-                processWriteAborted();
-            } else {
-                // Finish up and inform the listeners we are done
-                writeIEND();
-                processImageComplete();
+                if (abortRequested()) {
+                    processWriteAborted();
+                } else {
+                    // Finish up and inform the listeners we are done
+                    writeIEND();
+                    processImageComplete();
+                }
+            } catch (IOException e) {
+                throw new IIOException("I/O error writing PNG file!", e);
             }
-        } catch (IOException e) {
-            throw new IIOException("I/O error writing PNG file!", e);
         }
     }
 }