linux-kernel - [PATCH v4] clk: tegra: Add missing of_node

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Message-Id: <20220617015918.4001865-1-windhl@126.com>
Date:   Fri, 17 Jun 2022 09:59:18 +0800
From:   Liang He <windhl@....com>
To:     pdeschrijver@...dia.com, pgaikwad@...dia.com,
        mturquette@...libre.com, sboyd@...nel.org,
        thierry.reding@...il.com, jonathanh@...dia.com
Cc:     linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, Liang He <windhl@....com>
Subject: [PATCH v4] clk: tegra: Add missing of_node_put()

In tegra124_132_clock_init_pre() and tegra30_clock_init(),
of_find_matching_node() will return a node pointer with
refcount incremented. We should use of_node_put() when it
is not used anymore.

Signed-off-by: Liang He <windhl@....com>
---
 changelog:
 
 v4: split v3 into nomadik and tegra
 v3: merge clk 'missing of_node_put()' patches into one commit.
 v2: use Liang He as real name for S-o-b.
 v1: fix the missing of_node_put().

 drivers/clk/tegra/clk-tegra124.c | 1 +
 drivers/clk/tegra/clk-tegra30.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 934520aab6e3..a9d4efcef2d4 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -1471,6 +1471,7 @@ static void __init tegra124_132_clock_init_pre(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);
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 04b496123820..168c07d5a5f2 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1320,6 +1320,7 @@ static void __init tegra30_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");
 		BUG();
-- 
2.25.1