diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_stats.c')
-rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index b60a4c263686..faf7c5217848 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, | |||
298 | old_index = stat->last_index; | 298 | old_index = stat->last_index; |
299 | new_index = freq_table_get_index(stat, freq->new); | 299 | new_index = freq_table_get_index(stat, freq->new); |
300 | 300 | ||
301 | cpufreq_stats_update(freq->cpu); | 301 | /* We can't do stat->time_in_state[-1]= .. */ |
302 | if (old_index == new_index) | 302 | if (old_index == -1 || new_index == -1) |
303 | return 0; | 303 | return 0; |
304 | 304 | ||
305 | if (old_index == -1 || new_index == -1) | 305 | cpufreq_stats_update(freq->cpu); |
306 | |||
307 | if (old_index == new_index) | ||
306 | return 0; | 308 | return 0; |
307 | 309 | ||
308 | spin_lock(&cpufreq_stats_lock); | 310 | spin_lock(&cpufreq_stats_lock); |
@@ -387,6 +389,7 @@ static void __exit cpufreq_stats_exit(void) | |||
387 | unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier); | 389 | unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier); |
388 | for_each_online_cpu(cpu) { | 390 | for_each_online_cpu(cpu) { |
389 | cpufreq_stats_free_table(cpu); | 391 | cpufreq_stats_free_table(cpu); |
392 | cpufreq_stats_free_sysfs(cpu); | ||
390 | } | 393 | } |
391 | } | 394 | } |
392 | 395 | ||