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authorH. Peter Anvin <hpa@linux.intel.com>2011-08-04 16:13:20 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2011-08-04 16:13:20 -0700
commit17b0436077d99211d8b26886235a36c5ec54ac57 (patch)
tree8bcd9b4a0f8285f749814e95ae0365c611ba2392 /drivers/cpufreq/cpufreq_stats.c
parentaafade242ff24fac3aabf61c7861dfa44a3c2445 (diff)
parent02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff)
Merge commit 'v3.0' into x86/vdso
Diffstat (limited to 'drivers/cpufreq/cpufreq_stats.c')
-rw-r--r--drivers/cpufreq/cpufreq_stats.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index b60a4c26368..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);
@@ -387,6 +389,7 @@ static void __exit cpufreq_stats_exit(void)
unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
for_each_online_cpu(cpu) {
cpufreq_stats_free_table(cpu);
+ cpufreq_stats_free_sysfs(cpu);
}
}