FAILED: patch "[PATCH] PM / OPP: Add missing of_node_put(np)" failed to apply to 4.9-stable tree

The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From: Tobias Jordan <[email protected]>
Date: Wed, 4 Oct 2017 11:35:03 +0530
Subject: [PATCH] PM / OPP: Add missing of_node_put(np)

The for_each_available_child_of_node() loop in _of_add_opp_table_v2() doesn't drop the reference to "np" on errors. Fix that.

index 0b718886479b..87509cb69f79 100644
@@ -397,6 +397,7 @@ static int _of_add_opp_table_v2(struct device *dev, struct device_node *opp_np)
 			dev_err(dev, "%s: Failed to add OPP, %d\n", __func__,
 				ret);
 			_dev_pm_opp_remove_table(opp_table, dev, false);
+			of_node_put(np);
 			goto put_opp_table;
 		}
 	}