Remove a bit of redundant code -- this is error condition is now

checked in the top-level API.

This commit was SVN r19497.

ompi/mca/topo/base/topo_base_cart_rank.c

@@ -68,9 +68,6 @@ int mca_topo_base_cart_rank (MPI_Comm comm,
           coord(i) < dim, then normalize it.  If the dimension is not
           periodic, it's an error. */
        if ((ord < 0) || (ord >= dim)) {
-           if (!*p) {
-               return MPI_ERR_ARG;
-           }
            ord %= dim;
            if (ord < 0) {
                ord += dim;