Re: [patch] 2.5.3-pre1 ide updates
Jens Axboe (axboe@suse.de)
Thu, 17 Jan 2002 15:28:24 +0100
On Thu, Jan 17 2002, Anton Altaparmakov wrote:
> Hi Jens,
>
> I think there is a bug here...
>
> At 13:46 17/01/02, Jens Axboe wrote:
> >diff -urN -X exclude /ata/linux-2.5.3-pre1/drivers/ide/ide-taskfile.c
> >linux/drivers/ide/ide-taskfile.c
> >--- /ata/linux-2.5.3-pre1/drivers/ide/ide-taskfile.c Thu Jan 17
> >06:32:54 2002
> >+++ linux/drivers/ide/ide-taskfile.c Thu Jan 17 06:29:13 2002
> >@@ -994,10 +1032,11 @@
> > if (!msect) {
> > nsect = 1;
> > while (rq->current_nr_sectors) {
> >- pBuf = rq->buffer + ((rq->nr_sectors -
> >rq->current_nr_sectors) * SECTOR_SIZE);
> >+ pBuf = ide_unmap_buffer(rq, &flags);
>
> That should be: pBuf = ide_map_buffer(rq, &flags);
>
> But I think it actually ought to be:
>
> pBuf = ide_map_rq(rq, &flags)
>
> and the below unmap should consequently be:
>
> ide_unmap_rq(rq, pBuf, &flags)
>
> In either case it's wrong at the moment AFAICS...
Yeah you are right, typo... There's another mixup in there too, but only
a very minor race. I'll update the patch asap.
--
Jens Axboe
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