* [PATCH] clk: tegra20: Fix refcount leak in tegra20_clock_init
@ 2022-05-23 15:28 Miaoqian Lin
2022-08-23 2:06 ` Stephen Boyd
0 siblings, 1 reply; 2+ messages in thread
From: Miaoqian Lin @ 2022-05-23 15:28 UTC (permalink / raw)
To: Peter De Schrijver, Prashant Gaikwad, Michael Turquette,
Stephen Boyd, Thierry Reding, Jonathan Hunter, Mike Turquette,
Stephen Warren, linux-clk, linux-tegra, linux-kernel
Cc: linmq006
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: 37c26a906527 ("clk: tegra: add clock support for Tegra20")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/clk/tegra/clk-tegra20.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index be3c33441cfc..8a4514f6d503 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -1131,6 +1131,7 @@ static void __init tegra20_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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] clk: tegra20: Fix refcount leak in tegra20_clock_init
2022-05-23 15:28 [PATCH] clk: tegra20: Fix refcount leak in tegra20_clock_init Miaoqian Lin
@ 2022-08-23 2:06 ` Stephen Boyd
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Boyd @ 2022-08-23 2:06 UTC (permalink / raw)
To: Jonathan Hunter, Miaoqian Lin, Michael Turquette, Mike Turquette,
Peter De Schrijver, Prashant Gaikwad, Stephen Warren,
Thierry Reding, linux-clk, linux-kernel, linux-tegra
Cc: linmq006
Quoting Miaoqian Lin (2022-05-23 08:28:11)
> 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: 37c26a906527 ("clk: tegra: add clock support for Tegra20")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> ---
Applied to clk-next
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-05-23 15:28 [PATCH] clk: tegra20: Fix refcount leak in tegra20_clock_init Miaoqian Lin
2022-08-23 2:06 ` Stephen Boyd
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