linux-kernel - [PATCH 4.19 178/280] cpufreq: tegra124: add missing of_node

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Message-Id: <20190322111326.106846563@linuxfoundation.org>
Date:   Fri, 22 Mar 2019 12:15:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>,
        Thierry Reding <treding@...dia.com>,
        Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 4.19 178/280] cpufreq: tegra124: add missing of_node_put()

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yangtao Li <tiny.windzz@...il.com>

commit 446fae2bb5395f3028d8e3aae1508737e5a72ea1 upstream.

of_cpu_device_node_get() will increase the refcount of device_node,
it is necessary to call of_node_put() at the end to release the
refcount.

Fixes: 9eb15dbbfa1a2 ("cpufreq: Add cpufreq driver for Tegra124")
Cc: <stable@...r.kernel.org> # 4.4+
Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
Acked-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/cpufreq/tegra124-cpufreq.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/cpufreq/tegra124-cpufreq.c
+++ b/drivers/cpufreq/tegra124-cpufreq.c
@@ -134,6 +134,8 @@ static int tegra124_cpufreq_probe(struct
 
 	platform_set_drvdata(pdev, priv);
 
+	of_node_put(np);
+
 	return 0;
 
 out_switch_to_pllx: