On Thu, Jan 31 2008, Florian Lohoff wrote:
> On Thu, Jan 31, 2008 at 02:05:58PM +0100, Jens Axboe wrote:
> > The below fix should be enough. It's perfectly legal to have leftover
> > byte counts when the drive signals completion, happens all the time for
> > eg user issued commands where you don't know an exact byte count.
> >
> > diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
> > index 74c6087..bee05a3 100644
> > --- a/drivers/ide/ide-cd.c
> > +++ b/drivers/ide/ide-cd.c
> > @@ -1722,7 +1722,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t
> > *drive)
> > */
> > if ((stat & DRQ_STAT) == 0) {
> > spin_lock_irqsave(&ide_lock, flags);
> > - if (__blk_end_request(rq, 0, 0))
> > + if (__blk_end_request(rq, 0, rq->data_len))
> > BUG();
> > HWGROUP(drive)->rq = NULL;
> > spin_unlock_irqrestore(&ide_lock, flags);
> >
>
> Fixes the crash on boot for me ...
Great, thanks for confirming that. I'll make sure the patch goes
upstream today, if Linus is available.
--
Jens Axboe
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