[PATCH 4.9 093/159] clk: tegra: Fix refcount leak in tegra114_clock_init

From: Greg Kroah-Hartman
Date: Mon Oct 24 2022 - 08:26:18 EST


From: Miaoqian Lin <linmq006@xxxxxxxxx>

[ Upstream commit db16a80c76ea395766913082b1e3f939dde29b2c ]

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: 2cb5efefd6f7 ("clk: tegra: Implement clocks for Tegra114")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220523143834.7587-1-linmq006@xxxxxxxxx
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clk/tegra/clk-tegra114.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 933b5dd698b8..c92d8f36a00a 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -1342,6 +1342,7 @@ static void __init tegra114_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);
--
2.35.1