[PATCH AUTOSEL 4.14 50/66] cpufreq: sti-cpufreq: fix mem leak in sti_cpufreq_set_opp_info()

Sasha Levin sashal at kernel.org
Tue Dec 22 21:22:36 EST 2020


From: Yangtao Li <tiny.windzz at gmail.com>

[ Upstream commit 3a5e6732a74c44d7c78a764b9a7701135565df8f ]

Use dev_pm_opp_put_prop_name() to avoid mem leak, which free opp_table.

Signed-off-by: Yangtao Li <tiny.windzz at gmail.com>
Signed-off-by: Yangtao Li <frank at allwinnertech.com>
Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/cpufreq/sti-cpufreq.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
index 6b5d241c30b70..01bf9e3a85772 100644
--- a/drivers/cpufreq/sti-cpufreq.c
+++ b/drivers/cpufreq/sti-cpufreq.c
@@ -226,7 +226,8 @@ static int sti_cpufreq_set_opp_info(void)
 	opp_table = dev_pm_opp_set_supported_hw(dev, version, VERSION_ELEMENTS);
 	if (IS_ERR(opp_table)) {
 		dev_err(dev, "Failed to set supported hardware\n");
-		return PTR_ERR(opp_table);
+		ret = PTR_ERR(opp_table);
+		goto err_put_prop_name;
 	}
 
 	dev_dbg(dev, "pcode: %d major: %d minor: %d substrate: %d\n",
@@ -235,6 +236,10 @@ static int sti_cpufreq_set_opp_info(void)
 		version[0], version[1], version[2]);
 
 	return 0;
+
+err_put_prop_name:
+	dev_pm_opp_put_prop_name(opp_table);
+	return ret;
 }
 
 static int sti_cpufreq_fetch_syscon_registers(void)
-- 
2.27.0




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