linux-kernel - [PATCH] clk: samsung: exynos4: fix refcount leak in exynos4_get

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Message-Id: <20181226133215.4939-1-tiny.windzz@gmail.com>
Date:   Wed, 26 Dec 2018 08:32:15 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     s.nawrocki@...sung.com, tomasz.figa@...il.com,
        cw00.choi@...sung.com, mturquette@...libre.com, sboyd@...nel.org,
        kgene@...nel.org, krzk@...nel.org
Cc:     linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()

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@...il.com>
---
 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 59d4d46667ce..54066e6508d3 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1028,6 +1028,7 @@ static unsigned long __init exynos4_get_xom(void)
 			xom = readl(chipid_base + 8);
 
 		iounmap(chipid_base);
+		of_node_put(np);
 	}
 
 	return xom;
-- 
2.17.0