linux-kernel - [PATCH] clk: tegra: Fix refcount leak in tegra210_clock

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Date:   Mon, 23 May 2022 18:26:08 +0400
From:   Miaoqian Lin <linmq006@...il.com>
To:     Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Rhyland Klein <rklein@...dia.com>, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     linmq006@...il.com
Subject: [PATCH] clk: tegra: Fix refcount leak in tegra210_clock_init

of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 6b301a059eb2 ("clk: tegra: Add support for Tegra210 clocks")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 drivers/clk/tegra/clk-tegra210.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index b9099012dc7b..499f999e91e1 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -3748,6 +3748,7 @@ static void __init tegra210_clock_init(struct device_node *np)
 	}
 
 	pmc_base = of_iomap(node, 0);
+	of_node_put(node);
 	if (!pmc_base) {
 		pr_err("Can't map pmc registers\n");
 		WARN_ON(1);
-- 
2.25.1