kbasename() will not return NULL if passed a valid string.  If
the parameter passed to kbasename() in this case is already NULL
then the devicetree has been corrupted.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
        int ret = 0;
 
        node_kbasename = kbasename(node->full_name);
-       if (!node_kbasename)
-               return -ENOMEM;
 
        for_each_child_of_node(target_node, tchild)
                if (!of_node_cmp(node_kbasename, kbasename(tchild->full_name)))