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authorTu, Xiaobing <xiaobing.tu@intel.com>2012-10-23 01:03:00 +0200
committerBen Hutchings <ben@decadent.org.uk>2013-03-20 15:03:29 +0000
commit8885a53947b37ab206c8e3d8ca30ee06cb179ddf (patch)
tree54d36e27ad3f37c4f8934b2159e226e4900686d3
parent3125bdd601790d03f36343d9d0941c5f94244f27 (diff)
Fix memory leak in cpufreq stats.
commit e37736777254ce1abc85493a5cacbefe5983b896 upstream. When system enters sleep, non-boot CPUs will be disabled. Cpufreq stats sysfs is created when the CPU is up, but it is not freed when the CPU is going down. This will cause memory leak. Signed-off-by: xiaobing tu <xiaobing.tu@intel.com> Signed-off-by: guifang tang <guifang.tang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--drivers/cpufreq/cpufreq_stats.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index c5072a91e84..4bf374d5419 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -330,6 +330,7 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
cpufreq_update_policy(cpu);
break;
case CPU_DOWN_PREPARE:
+ case CPU_DOWN_PREPARE_FROZEN:
cpufreq_stats_free_sysfs(cpu);
break;
case CPU_DEAD: