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thermal: exynos: fix trips limit checking in get_th_reg() 

of_thermal_get_ntrips() may return value bigger than supported
by a given SoC (i.e. on Exynos5422/5800) 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>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
hifive-unleashed-5.1
Bartlomiej Zolnierkiewicz 2018-04-26 13:51:21 +02:00 committed by Eduardo Valentin
parent aef27b658b
commit 3c2651349b
1 changed files with 2 additions and 2 deletions
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4
drivers/thermal/samsung/exynos_tmu.c
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@ -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;