linux-kernel - [PATCH] clk: armada-370: fix refcount leak in a370_clk

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Message-Id: <20181226133658.5095-1-tiny.windzz@gmail.com>
Date:   Wed, 26 Dec 2018 08:36:58 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     mturquette@...libre.com, sboyd@...nel.org,
        gregory.clement@...tlin.com
Cc:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] clk: armada-370: fix refcount leak in a370_clk_init()

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/mvebu/armada-370.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c
index 7dedfaa6e152..5c6bbee396b3 100644
--- a/drivers/clk/mvebu/armada-370.c
+++ b/drivers/clk/mvebu/armada-370.c
@@ -175,8 +175,10 @@ static void __init a370_clk_init(struct device_node *np)
 
 	mvebu_coreclk_setup(np, &a370_coreclks);
 
-	if (cgnp)
+	if (cgnp) {
 		mvebu_clk_gating_setup(cgnp, a370_gating_desc);
+		of_node_put(cgnp);
+	}
 }
 CLK_OF_DECLARE(a370_clk, "marvell,armada-370-core-clock", a370_clk_init);
 
-- 
2.17.0