6659 nvlist_free(NULL) is a no-op

*** 705,721 ****
                                      "for `%s'!\n", cstr);
                          }
                  } else if (diskp != NULL) {
                          diskmon_free(diskp);
                  } else {
-                         if (dmap_nvl)
                                  nvlist_free(dmap_nvl);
                          if (indp)
                                  ind_free(indp);
                          if (indrp)
                                  indrule_free(indrp);
-                         if (diskprops)
                                  nvlist_free(diskprops);
                  }
  
                  wdp->pfmri = cstr;
          }
--- 705,719 ----