Re: [bug] ata subsystem related crash with latest -git

Ingo Molnar
2007-10-17T19:18:19Z

* Ingo Molnar <mingo@elte.hu> wrote:

> > > drivers/scsi/scsi_lib.c:708: warning: 'index' may be used uninitialized in this function
> > > drivers/scsi/scsi_lib.c:708: note: 'index' was declared here
> > >
> > > not sure it matters.
> >
> > Hmm, I don't see them here (gcc 4.2.1). Must be the BUG(), does it go
> > away if you add a index = -1 in the default: case? Just to be
> > absolutely sure...
>
> well if i initialize the variable then of course the warning goes away
> :)
>
> NOTE: i get the same warning even without the BUG_ON() patch, and
> without your other fix patch as well. I'm using gcc 4.2.2. (Do you get
> the warning if you pick up the config i sent you earlier today?)

btw., i changed the initialization to -1 and the crash still occurs
(as expected).

Ingo