The frequency table shouldn't have any zero frequency entries and so
such a check isn't required. Though it would be better to make sure
'state' is within limits.
Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
drivers/thermal/cpu_cooling.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index fb535fd5aa12..768a95bcc392 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -561,12 +561,13 @@ static int cpufreq_state2power(struct
thermal_cooling_device *cdev,
int ret;
struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
+ /* Request state should be less than max_level */
+ if (WARN_ON(state > cpufreq_dev->max_level))
+ return -EINVAL;
+
num_cpus = cpumask_weight(cpufreq_dev->policy->cpus);
freq = cpufreq_dev->freq_table[state].frequency;
- if (!freq)
- return -EINVAL;
-
dynamic_power = cpu_freq_to_power(cpufreq_dev, freq) * num_cpus;
ret = get_static_power(cpufreq_dev, tz, freq, &static_power);
if (ret)
--
2.7.1.410.g6faf27b
