renaming FIELD_SIZEOF to sizeof_member (was Re: [GIT PULL] treewide conversion to sizeof_member() for v5.4-rc1)

From: Kees Cook
Date: Wed Oct 02 2019 - 14:19:21 EST


On Thu, Sep 26, 2019 at 01:56:55PM -0700, Kees Cook wrote:
> On Thu, Sep 26, 2019 at 01:06:01PM -0700, Linus Torvalds wrote:
> > (a) why didn't this use the already existing and well-named macro
> > that nobody really had issues with?
>
> That was suggested, but other folks wanted the more accurate "member"
> instead of "field" since a treewide change was happening anyway:
> https://www.openwall.com/lists/kernel-hardening/2019/07/02/2
>
> At the end of the day, I really don't care -- I just want to have _one_
> macro. :)
>
> > (b) I see no sign of the networking people having been asked about
> > their preferences.
>
> Yeah, that's entirely true. Totally my mistake; it seemed like a trivial
> enough change that I didn't want to bother too many people. But let's
> fix that now... Dave, do you have any concerns about this change of
> FIELD_SIZEOF() to sizeof_member() (or if it prevails, sizeof_field())?

David, can you weight in on this? Are you okay with a mass renaming of
FIELD_SIZEOF() to sizeof_member(), as the largest user of the old macro
is in networking?

Thanks!

--
Kees Cook