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* [PATCH] power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe
@ 2022-05-23 14:10 Miaoqian Lin
  2022-05-24  7:25 ` Linus Walleij
  0 siblings, 1 reply; 3+ messages in thread
From: Miaoqian Lin @ 2022-05-23 14:10 UTC (permalink / raw)
  To: Linus Walleij, Sebastian Reichel, Arnd Bergmann,
	linux-arm-kernel, linux-pm, linux-kernel
  Cc: linmq006

of_find_matching_node_and_match() 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: 0e545f57b708 ("power: reset: driver for the Versatile syscon reboot")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/power/reset/arm-versatile-reboot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/power/reset/arm-versatile-reboot.c b/drivers/power/reset/arm-versatile-reboot.c
index 08d0a07b58ef..c7624d7611a7 100644
--- a/drivers/power/reset/arm-versatile-reboot.c
+++ b/drivers/power/reset/arm-versatile-reboot.c
@@ -146,6 +146,7 @@ static int __init versatile_reboot_probe(void)
 	versatile_reboot_type = (enum versatile_reboot)reboot_id->data;
 
 	syscon_regmap = syscon_node_to_regmap(np);
+	of_node_put(np);
 	if (IS_ERR(syscon_regmap))
 		return PTR_ERR(syscon_regmap);
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe
  2022-05-23 14:10 [PATCH] power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe Miaoqian Lin
@ 2022-05-24  7:25 ` Linus Walleij
  2022-06-09 19:14   ` Sebastian Reichel
  0 siblings, 1 reply; 3+ messages in thread
From: Linus Walleij @ 2022-05-24  7:25 UTC (permalink / raw)
  To: Miaoqian Lin
  Cc: Sebastian Reichel, Arnd Bergmann, linux-arm-kernel, linux-pm,
	linux-kernel

On Mon, May 23, 2022 at 4:10 PM Miaoqian Lin <linmq006@gmail.com> wrote:

> of_find_matching_node_and_match() 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: 0e545f57b708 ("power: reset: driver for the Versatile syscon reboot")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe
  2022-05-24  7:25 ` Linus Walleij
@ 2022-06-09 19:14   ` Sebastian Reichel
  0 siblings, 0 replies; 3+ messages in thread
From: Sebastian Reichel @ 2022-06-09 19:14 UTC (permalink / raw)
  To: Linus Walleij
  Cc: Miaoqian Lin, Arnd Bergmann, linux-arm-kernel, linux-pm, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 625 bytes --]

Hi,

On Tue, May 24, 2022 at 09:25:48AM +0200, Linus Walleij wrote:
> On Mon, May 23, 2022 at 4:10 PM Miaoqian Lin <linmq006@gmail.com> wrote:
> 
> > of_find_matching_node_and_match() 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: 0e545f57b708 ("power: reset: driver for the Versatile syscon reboot")
> > Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> 
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Thanks, queued to power-supply's fixes branch.

-- Sebastian

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-06-09 19:14 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-05-23 14:10 [PATCH] power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe Miaoqian Lin
2022-05-24  7:25 ` Linus Walleij
2022-06-09 19:14   ` Sebastian Reichel

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