fyi, I just merged the patch below.
Dave
---
[CPUFREQ] Remove cpufreq_stats sysfs entries on module unload.
cpufreq_stats leaves behind its sysfs entries, which causes a panic
when something stumbled across them.
(Discovered by unloading cpufreq_stats while powertop was loaded).
Signed-off-by: Dave Jones <davej@xxxxxxxxxx>
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index b60a4c2..853f92d 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -387,6 +387,7 @@ 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);
}
}
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