linux-kernel - [PATCH 6/7] devfreq: add missing of_node_put after calling of_parse

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Date:	Fri, 1 Jul 2016 17:42:00 +0800
From:	Peter Chen <peter.chen@....com>
To:	<linux-renesas-soc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	<linux-samsung-soc@...r.kernel.org>
CC:	Peter Chen <peter.chen@....com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH 6/7] devfreq: add missing of_node_put after calling of_parse_phandle

of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.

Cc: MyungJoo Ham <myungjoo.ham@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Signed-off-by: Peter Chen <peter.chen@....com>
---
 drivers/devfreq/devfreq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 1d6c803..3f2142f 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -706,10 +706,12 @@ struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, int index)
 		if (devfreq->dev.parent
 			&& devfreq->dev.parent->of_node == node) {
 			mutex_unlock(&devfreq_list_lock);
+			of_node_put(node);
 			return devfreq;
 		}
 	}
 	mutex_unlock(&devfreq_list_lock);
+	of_node_put(node);
 
 	return ERR_PTR(-EPROBE_DEFER);
 }
-- 
1.9.1