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DateSun, 17 Feb 2008 19:36:42 +0200
FromAdrian Bunk <>
SubjectRe: [PATCH] linux/hdsmart.h: fix goofups
On Sun, Feb 17, 2008 at 06:40:31PM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Sunday 17 February 2008, Robert P. J. Day wrote:
> > On Sun, 17 Feb 2008, Bartlomiej Zolnierkiewicz wrote:
> > 
> > > Fix goofups of commit 76166952bbc81dda1c8a8c14e75a2aa06f6c052c
> > > ("<linux/hdsmart.h> is not used by kernel code").
> > >
> > > Reported-by: "Robert P. J. Day" <rpjday@crashcourse.ca>
> > > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> > > ---
> > >  include/linux/hdsmart.h |    4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > Index: b/include/linux/hdsmart.h
> > > ===================================================================
> > > --- a/include/linux/hdsmart.h
> > > +++ b/include/linux/hdsmart.h
> > > @@ -17,7 +17,7 @@
> > >  #ifndef _LINUX_HDSMART_H
> > >  #define _LINUX_HDSMART_H
> > >
> > > -#ifndef __KERNEL
> > > +#ifndef __KERNEL__
> > >  #define OFFLINE_FULL_SCAN		0
> > >  #define SHORT_SELF_TEST			1
> > >  #define EXTEND_SELF_TEST		2
> > > @@ -121,6 +121,6 @@ typedef struct ata_smart_selftestlog_s {
> > >  	unsigned char			resevered[2];
> > >  	unsigned char			chksum;
> > >  } __attribute__ ((packed)) ata_smart_selftestlog_t;
> > > -#endif /* __KERNEL__ *
> > > +#endif /* __KERNEL__ */
> > >
> > >  #endif	/* _LINUX_HDSMART_H */
> > 
> > if that header file isn't used by any kernel code, why bother having a
> > check for __KERNEL__ in the first place?  it's being exported to
> > userspace unchecked:
> > 
> >   include/linux/Kbuild:header-y += hdsmart.h
> > 
> > so why not just toss that check entirely?  otherwise, you're going to
> > get a header file exported to userspace that has a superfluous
> > __KERNEL__ test in it.
> 
> We don't want new (accidental etc.) kernel users of this header. 
>...

Why can't we simply remove it?

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed



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