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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, Yangtao Li <tiny.windzz@gmail.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 105/639] clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
Date:   Fri, 24 Jan 2020 10:24:35 +0100
Message-Id: <20200124093100.508173202@linuxfoundation.org>
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From: Yangtao Li <tiny.windzz@gmail.com>

[ Upstream commit cee82eb9532090cd1dc953e845d71f9b1445c84e ]

The of_find_compatible_node() returns a node pointer with refcount
incremented, but there is the lack of use of the of_node_put() when
done. Add the missing of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Fixes: e062b571777f ("clk: exynos4: register clocks using common clock framework")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/samsung/clk-exynos4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 0421960eb9633..442309b569203 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1226,6 +1226,7 @@ static unsigned long __init exynos4_get_xom(void)
 			xom = readl(chipid_base + 8);
 
 		iounmap(chipid_base);
+		of_node_put(np);
 	}
 
 	return xom;
-- 
2.20.1