Re: [PATCH] hwmon (coretemp): Fix build breakage if SMP isundefined

From: Guenter Roeck
Date: Mon Sep 27 2010 - 07:49:17 EST


On Mon, Sep 27, 2010 at 02:25:10AM -0400, Ingo Molnar wrote:
>
> * Guenter Roeck <guenter.roeck@xxxxxxxxxxxx> wrote:
>
> > Commit e40cc4bdfd4b89813f072f72bd9c7055814d3f0f introduced
> > a build breakage if CONFIG_SMP is undefined. This patch
> > fixes the problem.
> >
> > Reported-by: Ingo Molnar <mingo@xxxxxxx>
> > Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> > Cc: Jean Delvare <khali@xxxxxxxxxxxx>
> > Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
> >
> > ---
> > drivers/hwmon/coretemp.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
> > index baa842a..58a3c2d 100644
> > --- a/drivers/hwmon/coretemp.c
> > +++ b/drivers/hwmon/coretemp.c
> > @@ -503,9 +503,11 @@ static void coretemp_device_remove(unsigned int cpu)
> > list_del(&p->list);
> > mutex_unlock(&pdev_list_mutex);
> > kfree(p);
> > +#ifdef CONFIG_SMP
> > for_each_cpu(i, cpu_sibling_mask(cpu))
> > if (i != cpu && !coretemp_device_add(i))
> > break;
> > +#endif
>
> Wont this result in an 'unused variable i' compiler warning?
>
Sigh. Yes, of course. Must have been blind when I compiled it. Serves me right,
for pushing this out in a hurry. You'll see rev2 of the patch in a minute.

Guenter
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