linux-kernel - [PATCH] cpufreq: cpu0: Free parent node for error cases

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Message-Id: <ad5f8a25684dbdd6fcb385fb420da0b4709e7392.1367384647.git.viresh.kumar@linaro.org>
Date:	Wed,  1 May 2013 10:34:43 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...k.pl
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, robin.randhawa@....com,
	Steve.Bannister@....com, Liviu.Dudau@....com,
	charles.garcia-tobin@....com, arvind.chauhan@....com,
	shawn.guo@...aro.org, nm@...com,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH] cpufreq: cpu0: Free parent node for error cases

We are freeing parent node in success cases but not in failure cases. Lets do
it.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/cpufreq-cpu0.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 3ab8294..c025714 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -189,7 +189,8 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
 
 	if (!np) {
 		pr_err("failed to find cpu0 node\n");
-		return -ENOENT;
+		ret = -ENOENT;
+		goto out_put_parent;
 	}
 
 	cpu_dev = &pdev->dev;
@@ -199,7 +200,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
 	if (IS_ERR(cpu_clk)) {
 		ret = PTR_ERR(cpu_clk);
 		pr_err("failed to get cpu0 clock: %d\n", ret);
-		goto out_put_node;
+		goto out_put_np;
 	}
 
 	cpu_reg = devm_regulator_get(cpu_dev, "cpu0");
@@ -211,13 +212,13 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
 	ret = of_init_opp_table(cpu_dev);
 	if (ret) {
 		pr_err("failed to init OPP table: %d\n", ret);
-		goto out_put_node;
+		goto out_put_np;
 	}
 
 	ret = opp_init_cpufreq_table(cpu_dev, &freq_table);
 	if (ret) {
 		pr_err("failed to init cpufreq table: %d\n", ret);
-		goto out_put_node;
+		goto out_put_np;
 	}
 
 	of_property_read_u32(np, "voltage-tolerance", &voltage_tolerance);
@@ -262,8 +263,10 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev)
 
 out_free_table:
 	opp_free_cpufreq_table(cpu_dev, &freq_table);
-out_put_node:
+out_put_np:
 	of_node_put(np);
+out_put_parent:
+	of_node_put(parent);
 	return ret;
 }
 
-- 
1.7.12.rc2.18.g61b472e

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