cpufreq: sti-cpufreq: fix mem leak in sti_cpufreq_set_opp_info()

Use dev_pm_opp_put_prop_name() to avoid mem leak, which free opp_table.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Yangtao Li <frank@allwinnertech.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/sti-cpufreq.c

@@ -223,7 +223,8 @@ 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",
@@ -232,6 +233,10 @@ 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)