Broken build on OpenBSD

[Mark Kettenis]

> Date: Mon, 1 Mar 2021 09:02:18 -0500
> From: Tom Rini <trini at konsulko.com>
> 
> On Tue, Feb 23, 2021 at 08:07:21PM +0100, Mark Kettenis wrote:
> 
> > Hi Simon,
> > 
> > Commit c5819701a3de61e2ba2ef7ad0b616565b32305e5 broke the build on
> > OpenBSD and probably other non-Linux systems.  ENODATA, which is now
> > used in fit_check_format(), isn't defined.  It isn't part of POSIX[1]
> > and generally not available on BSD-derived systems.  Could you pick
> > another error code for this case?
> > 
> > Thanks,
> > 
> > Mark
> > 
> > [1] It is mentioned in the Open Group Base Specification, however it
> >     is part of the obsolete XSI STREAMS extension which was never part
> >     of POSIX proper.
> 
> Just for the record:
> 
> https://man7.org/linux/man-pages/man3/errno.3.html:
> 
> ENODATA         No message is available on the STREAM head read queue (POSIX.1-2001).
> 
> So perhaps you want to also raise this with the Linux man pages project
> folks?

Looks like somebody made a mistake and put the XSI STREAMS option
marker for it on ENOBUFS just above.

I filed a bug report:

https://bugzilla.kernel.org/show_bug.cgi?id=212103

Cheers,

Mark