UPSTREAM: 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.

Change-Id: I59404551678a7e56fe51a1996c9e53b6e935dac9
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>
(cherry picked from commit 3427c6f0b6f5643543f9b6c55f80bee83c0d5ff3)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index ffd35e327615dfa734cc13a25c831c9024c6963c..b8fdf7a6608c25f1bf0d0ff5a4979256d1c72238 100644 (file)
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -663,10 +663,12 @@ 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);
 }