3910 t_look(3NSL) should never return T_ERROR

*** 17,26 ****
--- 17,27 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Gary Mills
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
*** 367,376 ****
--- 368,382 ----
          rudata.udata.udata_mp = (mblk_t *)NULL;
  
          nd_log("nfs_dump: calling t_krcvudata\n");
  
          if (error = t_krcvudata(tiptr, &rudata, &type, &uderr)) {
+                 if (error == EBADMSG) {
+                         cmn_err(CE_WARN, "\tnfs_dump:  received EBADMSG");
+                         *badmsg = 1;
+                         return (0);
+                 }
                  nfs_perror(error, "\nnfs_dump: t_krcvudata failed: %m\n");
                  return (EIO);
          }
          if (type != T_DATA) {
                  cmn_err(CE_WARN, "\tnfs_dump:  received type %d", type);