patch cleanup
6659 nvlist_free(NULL) is a no-op

@@ -21,12 +21,10 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/ctfs.h>
 #include <sys/contract.h>
 #include <string.h>
 #include <libnvpair.h>
 #include <assert.h>

@@ -465,11 +463,10 @@
 
 errout:
         if (event_buffer)
                 free(event_buffer);
         if (info) {
-                if (info->nvl)
                         nvlist_free(info->nvl);
                 free(info);
         }
         return (error);
 }

@@ -505,11 +502,10 @@
 void
 ct_event_free(ct_evthdl_t evthdl)
 {
         struct ctlib_event_info *info = evthdl;
 
-        if (info->nvl)
                 nvlist_free(info->nvl);
         free(info);
 }