linux-kernel - [PATCH] cpufreq: ia64: Fix a memory leak in acpi_cpufreq_cpu

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Date:	Mon, 20 Jul 2015 14:24:36 +0800
From:	Pan Xinhui <xinhuix.pan@...el.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
CC:	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	"yanmin_zhang@...ux.intel.com" <yanmin_zhang@...ux.intel.com>,
	"mnipxh@....com" <mnipxh@....com>
Subject: [PATCH] cpufreq: ia64: Fix a memory leak in acpi_cpufreq_cpu_exit

From: Pan Xinhui <xinhuix.pan@...el.com>

freq_table should be alloced in ->init and freed in ->exit. However it
does not be freed. Fix this memory leak in acpi_cpufreq_cpu_exit.

Signed-off-by: Pan Xinhui <xinhuix.pan@...el.com>
---
 drivers/cpufreq/ia64-acpi-cpufreq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/cpufreq/ia64-acpi-cpufreq.c b/drivers/cpufreq/ia64-acpi-cpufreq.c
index 27cef0c..e02bd15 100644
--- a/drivers/cpufreq/ia64-acpi-cpufreq.c
+++ b/drivers/cpufreq/ia64-acpi-cpufreq.c
@@ -334,6 +334,7 @@ acpi_cpufreq_cpu_exit (
 		acpi_io_data[policy->cpu] = NULL;
 		acpi_processor_unregister_performance(&data->acpi_data,
 		                                      policy->cpu);
+		kfree(policy->freq_table);
 		kfree(data);
 	}
 
-- 
1.9.1
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