Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real error codes

From: Jean Delvare
Date: Tue Jan 19 2016 - 04:03:21 EST


Hi Pali,

On Tue, 19 Jan 2016 09:36:33 +0100, Pali RohÃr wrote:
> On Tuesday 19 January 2016 08:54:26 Jean Delvare wrote:
> > > @@ -978,11 +978,11 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *),
> > > u8 *buf;
> > >
> > > if (!dmi_available)
> > > - return -1;
> > > + return -ENOENT;
> >
> > -ENOSYS would seem more appropriate?
>
> IIRC -ENOSYS is for non implemented syscalls.

I can see a lot of -ENOSYS in include/linux/*.h returned by stubs when
a specific subsystem is not included. Not related to syscalls at all.
This is what lead to my suggestion.

--
Jean Delvare
SUSE L3 Support