| Date | Mon, 30 Apr 2018 17:34:31 +0200 | From | Daniel Lezcano <> | Subject | Re: [PATCH 06/18] thermal: exynos: fix trips limit checking in get_th_reg() |
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On Thu, Apr 26, 2018 at 01:51:21PM +0200, Bartlomiej Zolnierkiewicz wrote: > of_thermal_get_ntrips() may return value bigger than supported > by a given SoC (i.e. on Exynos5422/5800)
Can you elaborate a bit ?
> so fix the code to not > iterate the loop for i values >= data->ntrip. > > There should be no functional changes caused by this patch. > > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> > --- > drivers/thermal/samsung/exynos_tmu.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c > index 5a64879..58cd68e 100644 > --- a/drivers/thermal/samsung/exynos_tmu.c > +++ b/drivers/thermal/samsung/exynos_tmu.c > @@ -311,9 +311,9 @@ static u32 get_th_reg(struct exynos_tmu_data *data, u32 threshold, bool falling) > const struct thermal_trip * const trips = > of_thermal_get_trip_points(tz); > unsigned long temp; > - int i; > + int i, ntrips = min_t(int, of_thermal_get_ntrips(tz), data->ntrip); > > - for (i = 0; i < of_thermal_get_ntrips(tz); i++) { > + for (i = 0; i < ntrips; i++) { > if (trips[i].type == THERMAL_TRIP_CRITICAL) > continue; > > -- > 1.9.1 >
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