[PATCH 06/18] Make ft_node_add() accept and return NULL.

[Segher Boessenkool]

> Currently, if ft_node_add() is passed NULL it will allocate an  
> entry for
> it and return a non-NULL phandle.  This patch makes it simply pass the
> NULL through.

Hrm, is this a good thing?  Shouldn't you just BUG_ON()
instead?


Segher