linux-kernel - [PATCH] clk: armada-xp: fix refcount leak in axp_clk

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Message-Id: <20181226134226.5338-1-tiny.windzz@gmail.com>
Date:   Wed, 26 Dec 2018 08:42:26 -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-xp: fix refcount leak in axp_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-xp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c
index e8f03293ec83..fa1568279c23 100644
--- a/drivers/clk/mvebu/armada-xp.c
+++ b/drivers/clk/mvebu/armada-xp.c
@@ -226,7 +226,9 @@ static void __init axp_clk_init(struct device_node *np)
 
 	mvebu_coreclk_setup(np, &axp_coreclks);
 
-	if (cgnp)
+	if (cgnp) {
 		mvebu_clk_gating_setup(cgnp, axp_gating_desc);
+		of_node_put(cgnp);
+	}
 }
 CLK_OF_DECLARE(axp_clk, "marvell,armada-xp-core-clock", axp_clk_init);
-- 
2.17.0