--- a/jdk/src/java.base/share/classes/sun/security/x509/CRLNumberExtension.java	Thu Sep 03 09:33:04 2015 +0200
+++ b/jdk/src/java.base/share/classes/sun/security/x509/CRLNumberExtension.java	Mon Sep 07 18:58:41 2015 +0300
@@ -157,11 +157,10 @@
      */
     public BigInteger get(String name) throws IOException {
         if (name.equalsIgnoreCase(NUMBER)) {
-            if (crlNumber == null) return null;
-            else return crlNumber;
+            return crlNumber;
         } else {
-          throw new IOException("Attribute name not recognized by"
-                                + " CertAttrSet:" + extensionName + ".");
+            throw new IOException("Attribute name not recognized by" +
+                                  " CertAttrSet:" + extensionName + '.');
         }
     }