linux-kernel - [PATCH 6.0 441/862] soc/tegra: fuse: Add missing of_node_put() in tegra_init

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Date:   Wed, 19 Oct 2022 10:28:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liang He <windhl@....com>,
        Thierry Reding <treding@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.0 441/862] soc/tegra: fuse: Add missing of_node_put() in tegra_init_fuse()

From: Liang He <windhl@....com>

[ Upstream commit e941712cccab8a96f03b5d3274159c1ed338efee ]

In this function, of_find_matching_node() will return a node pointer
with refcount incremented. We should use of_node_put() when the "np"
pointer is not used anymore.

Signed-off-by: Liang He <windhl@....com>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/soc/tegra/fuse/fuse-tegra.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -568,6 +568,7 @@ static int __init tegra_init_fuse(void)
 	np = of_find_matching_node(NULL, car_match);
 	if (np) {
 		void __iomem *base = of_iomap(np, 0);
+		of_node_put(np);
 		if (base) {
 			tegra_enable_fuse_clk(base);
 			iounmap(base);