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* Remove cpufreq_stats sysfs entries on module unload.
@ 2011-06-12 20:57 Dave Jones
  0 siblings, 0 replies; only message in thread
From: Dave Jones @ 2011-06-12 20:57 UTC (permalink / raw)
  To: cpufreq; +Cc: Zou Nan hai

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@redhat.com>

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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2011-06-12 20:57 Remove cpufreq_stats sysfs entries on module unload Dave Jones

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