Re: PATCH: Remove unnecessary zero-initializations

[Andrew Cagney <ac131313@redhat.com>]

> Currently, thirteen files which provide a target_ops explicitly initialize
> members they don't support to NULL.  I plan to delete a number of these
> methods, and rather than making sure I got all the necessary target files
> each time I just wanted to delete the unnecessary lines up-front.  All of
> these are called-once functions initializing a statically or globally
> declared object; C will guarantee zero-initialization for us.  And several
> of the functions explicitly called memset anyway.
> 
> Besides, this way grepping for .to_require_attach\ = will only find targets
> which define it to something useful.
> 
> I'll commit this tomorrow unless someone sees a problem with it.
> 
> Note1: remote-st.c hasn't been compilable in a while; m68*-tandem-* is
> probably a good candidate for the hitlist.  From a glance it looks like it
> has been broken since the HP merge added the NULL assignments I'm removing,
> which is about three years now I think.
> 
> Note2: The DONT_USE member of struct target_ops can go now.

The fact that 13 files were doing it should suggest that it was 
intentional.  Might want to wait a bit longer while someone dregs up the 
history.

Andrew