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[CPUFREQ] Remove cpufreq_stats sysfs entries on module unload.
author
Dave Jones
<davej@redhat.com>
Sun, 12 Jun 2011 20:35:28 +0000
(16:35 -0400)
committer
Dave Jones
<davej@redhat.com>
Sun, 12 Jun 2011 20:36:52 +0000
(16:36 -0400)
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>
Cc: stable@kernel.org
drivers/cpufreq/cpufreq_stats.c
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diff --git
a/drivers/cpufreq/cpufreq_stats.c
b/drivers/cpufreq/cpufreq_stats.c
index b60a4c263686ab56693c5df6993e084e8f9f7e29..853f92d23ddb5ed80c8b2836e878422121ae3f5f 100644
(file)
--- 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);
}
}