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Date:   Wed,  1 Nov 2017 22:26:31 +0100
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 106/139] cpufreq: s3c2416: double free on driver init error path

From: Dan Carpenter <dan.carpenter@...cle.com>

commit a69261e4470d680185a15f748d9cdafb37c57a33 upstream.

The "goto err_armclk;" error path already does a clk_put(s3c_freq->hclk);
so this is a double free.

Fixes: 34ee55075265 ([CPUFREQ] Add S3C2416/S3C2450 cpufreq driver)
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Willy Tarreau <w@....eu>
---
 drivers/cpufreq/s3c2416-cpufreq.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c
index 4f1881e..6da4fbd 100644
--- a/drivers/cpufreq/s3c2416-cpufreq.c
+++ b/drivers/cpufreq/s3c2416-cpufreq.c
@@ -434,7 +434,6 @@ static int __init s3c2416_cpufreq_driver_init(struct cpufreq_policy *policy)
 	rate = clk_get_rate(s3c_freq->hclk);
 	if (rate < 133 * 1000 * 1000) {
 		pr_err("cpufreq: HCLK not at 133MHz\n");
-		clk_put(s3c_freq->hclk);
 		ret = -EINVAL;
 		goto err_armclk;
 	}
-- 
2.8.0.rc2.1.gbe9624a

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