From: Peter Chen <peter.chen@nxp.com>
Date: Fri, 1 Jul 2016 09:42:00 +0000 (+0800)
Subject: PM / devfreq: add missing of_node_put after calling of_parse_phandle
X-Git-Tag: accepted/tizen/4.0/unified/20170920.081531~84
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=64aeb4ebe973af1e9d6539c21cc751077173fdf4;p=platform%2Fkernel%2Flinux-exynos.git

PM / 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@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
---

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 3cc558d..478006b 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -707,10 +707,12 @@ 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);
 }