On Sat, Apr 02, 2011 at 02:55:38PM +0300, Dan Carpenter wrote:
> On 4/2/11, Mattia Dongili <malattia@xxxxxxxx> wrote:
> > --- a/drivers/platform/x86/sony-laptop.c
> > +++ b/drivers/platform/x86/sony-laptop.c
> > @@ -810,6 +810,11 @@ static int sony_nc_handles_cleanup(struct
> > platform_device *pd)
> > static int sony_find_snc_handle(int handle)
> > {
> > int i;
> > +
> > + /* not initialized yet, return early */
> > + if (!handles)
> > + return -1;
>
> -1 is -EPERM. That's not the right error code here. Maybe -EINVAL?
this error is not propagated to userspace. If necessary I can review all
error codes in the sony-laptop internal functions (where -1 is a fairly
common return code for error conditions).
I remember a discussion on LKML recently about error codes but I'm not
sure what the outcome was (if any).
--
mattia
:wq!
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