Re: [PATCH] nfsd: Make creates return EEXIST correctly instead of EPERM

Al Viro
2016-07-09T02:52:46Z

On Fri, Jul 08, 2016 at 11:59:50AM -0400, Oleg Drokin wrote:

> "If path names a symbolic link, mkdir() shall fail and set errno to [EEXIST]."
>
> This sounds pretty straightforward to me, no?
> Since it does not matter that we do not have write permissions here, because
> the name already exists.

When more than one condition applies, we have every right to return any of
them. POSIX does *NOT* specify the order of checks. Never had.