linux-kernel - [PATCH 3/3] PM / devfreq: fix mem leak in devfreq_add

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Message-Id: <20190119160454.23151-3-tiny.windzz@gmail.com>
Date:   Sat, 19 Jan 2019 11:04:54 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        cw00.choi@...sung.com, linux-pm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 3/3] PM / devfreq: fix mem leak in devfreq_add_device()

'devfreq' is malloced in devfreq_add_device() and should be freed in
the error handling cases, otherwise it will cause memory leak.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/devfreq/devfreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 923889229a0b..fe6c157cb7e0 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -651,7 +651,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
 		mutex_unlock(&devfreq->lock);
 		err = set_freq_table(devfreq);
 		if (err < 0)
-			goto err_out;
+			goto err_dev;
 		mutex_lock(&devfreq->lock);
 	}
 
-- 
2.17.0