Re: [PATCH 11/20] ide-cd: unify cdrom_newpc_intr() exit paths

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

On Monday 16 February 2009, Borislav Petkov wrote:
> On Mon, Feb 16, 2009 at 01:14:22AM +0100, Bartlomiej Zolnierkiewicz wrote:
> > From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> > Subject: [PATCH] ide-cd: unify cdrom_newpc_intr() exit paths
> > 
> > * Move cdrom_end_request() calls from cdrom_decode_status()
> >   and ide_cd_check_ireason() to cdrom_newpc_intr().
> > 
> > * Unify cdrom_newpc_intr() exit paths.
> > 
> > There should be no functional changes caused by this patch.
> > 
> > Cc: Borislav Petkov <petkovbb@gmail.com>
> > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> > ---
> >  drivers/ide/ide-cd.c |   48 +++++++++++++++++++++++-------------------------
> >  1 file changed, 23 insertions(+), 25 deletions(-)
> > 
> > Index: b/drivers/ide/ide-cd.c
> > ===================================================================
> > --- a/drivers/ide/ide-cd.c
> > +++ b/drivers/ide/ide-cd.c
> > @@ -291,7 +291,8 @@ static void cdrom_end_request(ide_drive_
> >  /*
> >   * Returns:
> >   * 0: if the request should be continued.
> > - * 1: if the request was ended.
> > + * 1: if the request will be going through error recovery.
> > + * 2: if the request should be ended.
> 
> Yeah, we need defines for those. Especially if they're checked in other
> functions:
> 
> if (rc == 2)
> 
> is simply not ok :). Rather,
> 
> if (rc == DO_END_REQUEST)
> 
> or something like that is much better, imho.

The whole cdrom_decode_status() needs a rewrite.  It could be as well
that after that happens magic defines won't be needed anylonger...

Thanks,
Bart