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

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/