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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Miaoqian Lin <linmq006@gmail.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 123/229] clk: tegra: Fix refcount leak in tegra210_clock_init
Date:   Mon, 24 Oct 2022 13:30:42 +0200
Message-Id: <20221024113002.982592246@linuxfoundation.org>
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From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit 56c78cb1f00a9dde8cd762131ce8f4c5eb046fbb ]

of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 6b301a059eb2 ("clk: tegra: Add support for Tegra210 clocks")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523142608.65074-1-linmq006@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/tegra/clk-tegra210.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index 7264e9731034..f97c4b0a9164 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -3529,6 +3529,7 @@ static void __init tegra210_clock_init(struct device_node *np)
 	}
 
 	pmc_base = of_iomap(node, 0);
+	of_node_put(node);
 	if (!pmc_base) {
 		pr_err("Can't map pmc registers\n");
 		WARN_ON(1);
-- 
2.35.1