diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index 853f92d23dd..faf7c521784 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -298,11 +298,13 @@ static int cpufreq_stat_notifier_trans(struct notifier_block *nb, old_index = stat->last_index; new_index = freq_table_get_index(stat, freq->new); - cpufreq_stats_update(freq->cpu); - if (old_index == new_index) + /* We can't do stat->time_in_state[-1]= .. */ + if (old_index == -1 || new_index == -1) return 0; - if (old_index == -1 || new_index == -1) + cpufreq_stats_update(freq->cpu); + + if (old_index == new_index) return 0; spin_lock(&cpufreq_stats_lock); |