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* [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC name does not match.
@ 2015-05-21 18:29 Shailendra Verma
  2015-05-22  2:17 ` Viresh Kumar
  0 siblings, 1 reply; 10+ messages in thread
From: Shailendra Verma @ 2015-05-21 18:29 UTC (permalink / raw)
  To: linux-arm-kernel

During probe free the memory allocated to "exynos_info" in case of unknown
SOC type.

Signed-off-by: Shailendra Verma <shailendra.capricorn@gmail.com>
---
 drivers/cpufreq/exynos-cpufreq.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 82d2fbb..b77923a 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -182,6 +182,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 		ret = exynos5250_cpufreq_init(exynos_info);
 	} else {
 		pr_err("%s: Unknown SoC type\n", __func__);
+		kfree(exynos_info);
 		return -ENODEV;
 	}
 
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 10+ messages in thread
* [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC name does not match.
@ 2015-05-23  3:02 Shailendra Verma
  2015-05-23  4:42 ` Viresh Kumar
  0 siblings, 1 reply; 10+ messages in thread
From: Shailendra Verma @ 2015-05-23  3:02 UTC (permalink / raw)
  To: linux-arm-kernel

During probe free the memory allocated to "exynos_info" in case of
unknown SOC type.

Signed-off-by: Shailendra Verma <shailendra.capricorn@gmail.com>
---
 drivers/cpufreq/exynos-cpufreq.c |   15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 82d2fbb..5b57a0f 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -182,20 +182,25 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 		ret = exynos5250_cpufreq_init(exynos_info);
 	} else {
 		pr_err("%s: Unknown SoC type\n", __func__);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err_vdd_arm;
 	}
 
-	if (ret)
+	if (ret) {
+		ret = -EINVAL;
 		goto err_vdd_arm;
+	}
 
 	if (exynos_info->set_freq == NULL) {
 		dev_err(&pdev->dev, "No set_freq function (ERR)\n");
+		ret = -EINVAL;
 		goto err_vdd_arm;
 	}
 
 	arm_regulator = regulator_get(NULL, "vdd_arm");
 	if (IS_ERR(arm_regulator)) {
 		dev_err(&pdev->dev, "failed to get resource vdd_arm\n");
+		ret = -EINVAL;
 		goto err_vdd_arm;
 	}
 
@@ -203,8 +208,10 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 	locking_frequency = clk_get_rate(exynos_info->cpu_clk) / 1000;
 
 	ret = cpufreq_register_driver(&exynos_driver);
-	if (ret)
+	if (ret) {
+		ret = -EINVAL;
 		goto err_cpufreq_reg;
+	}
 
 	cpu0 = of_get_cpu_node(0, NULL);
 	if (!cpu0) {
@@ -227,7 +234,7 @@ err_cpufreq_reg:
 	regulator_put(arm_regulator);
 err_vdd_arm:
 	kfree(exynos_info);
-	return -EINVAL;
+	return ret;
 }
 
 static struct platform_driver exynos_cpufreq_platdrv = {
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 10+ messages in thread
* [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC name does not match.
@ 2015-05-25  2:09 Shailendra Verma
  2015-05-25  7:31 ` Viresh Kumar
  0 siblings, 1 reply; 10+ messages in thread
From: Shailendra Verma @ 2015-05-25  2:09 UTC (permalink / raw)
  To: linux-arm-kernel

During probe free the memory allocated to "exynos_info" in case of
unknown SOC type.

Signed-off-by: Shailendra Verma <shailendra.capricorn@gmail.com>
---
 drivers/cpufreq/exynos-cpufreq.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 82d2fbb..8682378 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -182,7 +182,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 		ret = exynos5250_cpufreq_init(exynos_info);
 	} else {
 		pr_err("%s: Unknown SoC type\n", __func__);
-		return -ENODEV;
+		ret = -ENODEV;
 	}
 
 	if (ret)
@@ -190,12 +190,14 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
 
 	if (exynos_info->set_freq == NULL) {
 		dev_err(&pdev->dev, "No set_freq function (ERR)\n");
+		ret = -EINVAL;
 		goto err_vdd_arm;
 	}
 
 	arm_regulator = regulator_get(NULL, "vdd_arm");
 	if (IS_ERR(arm_regulator)) {
 		dev_err(&pdev->dev, "failed to get resource vdd_arm\n");
+		ret = -EINVAL;
 		goto err_vdd_arm;
 	}
 
@@ -227,7 +229,7 @@ err_cpufreq_reg:
 	regulator_put(arm_regulator);
 err_vdd_arm:
 	kfree(exynos_info);
-	return -EINVAL;
+	return ret;
 }
 
 static struct platform_driver exynos_cpufreq_platdrv = {
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2015-06-09  7:23 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-05-21 18:29 [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC name does not match Shailendra Verma
2015-05-22  2:17 ` Viresh Kumar
  -- strict thread matches above, loose matches on Subject: below --
2015-05-23  3:02 Shailendra Verma
2015-05-23  4:42 ` Viresh Kumar
2015-05-25  2:09 Shailendra Verma
2015-05-25  7:31 ` Viresh Kumar
2015-06-08  8:31   ` Lukasz Majewski
2015-06-08 23:30     ` Rafael J. Wysocki
2015-06-09  7:07       ` Lukasz Majewski
2015-06-09  7:23         ` Krzysztof Kozlowski

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