linux-kernel - [PATCH 4.4 030/183] clk: kirkwood: fix refcount leak in kirkwood_clk

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Date:   Tue, 28 Jan 2020 15:04:09 +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>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 030/183] clk: kirkwood: fix refcount leak in kirkwood_clk_init()

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

[ Upstream commit e7beeab9c61591cd0e690d8733d534c3f4278ff8 ]

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>
Reviewed-by: Gregory CLEMENT <gregory.clement@...tlin.com>
Fixes: 58d516ae95cb ("clk: mvebu: kirkwood: maintain clock init order")
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/clk/mvebu/kirkwood.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
index 99550f25975ea..1d2b9a1a96094 100644
--- a/drivers/clk/mvebu/kirkwood.c
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -335,6 +335,8 @@ static void __init kirkwood_clk_init(struct device_node *np)
 	if (cgnp) {
 		mvebu_clk_gating_setup(cgnp, kirkwood_gating_desc);
 		kirkwood_clk_muxing_setup(cgnp, kirkwood_mux_desc);
+
+		of_node_put(cgnp);
 	}
 }
 CLK_OF_DECLARE(kirkwood_clk, "marvell,kirkwood-core-clock",
-- 
2.20.1