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* Re: [PATCH] pinctrl: stm32: add missing of_node_put
       [not found] <4a576fb8-682e-d1af-777d-436f9bc53794@foss.st.com>
@ 2021-02-15 13:56 ` foss
  0 siblings, 0 replies; 3+ messages in thread
From: foss @ 2021-02-15 13:56 UTC (permalink / raw)
  To: angkery, linus.walleij, Maxime Coquelin,
	Alexandre TORGUE-SCND-02, maz, Etienne CARRIERE-SCND-01,
	geert+renesas, matti.vaittinen, marex
  Cc: linux-gpio, linux-stm32, linux-arm-kernel, linux-kernel, yangjunlin

Resending in plain-text format.


On 15/02/2021 2:26 pm, foss wrote:
>
> Hi Junlin
>
>
> Thank you for the patch!
>
>
> Fabien
>
>
>> From: Junlin Yang<yangjunlin@yulong.com>
>>
>> Fix OF node leaks by calling of_node_put in for_each_available_child_of_node when the cycle returns.
>>
>> Generated by: scripts/coccinelle/iterators/for_each_child.cocci
>>
>> Signed-off-by: Junlin Yang<yangjunlin@yulong.com>
>
> Acked-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
>
>
>> ---
>>   drivers/pinctrl/stm32/pinctrl-stm32.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
>> index 7d9bded..da72e3e 100644
>> --- a/drivers/pinctrl/stm32/pinctrl-stm32.c
>> +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
>> @@ -1542,8 +1542,10 @@ int stm32_pctl_probe(struct platform_device *pdev)
>>   		if (of_property_read_bool(child, "gpio-controller")) {
>>   			bank->rstc = of_reset_control_get_exclusive(child,
>>   								    NULL);
>> -			if (PTR_ERR(bank->rstc) == -EPROBE_DEFER)
>> +			if (PTR_ERR(bank->rstc) == -EPROBE_DEFER) {
>> +				of_node_put(child);
>>   				return -EPROBE_DEFER;
>> +			}
>>   
>>   			bank->clk = of_clk_get_by_name(child, NULL);
>>   			if (IS_ERR(bank->clk)) {
>> @@ -1551,6 +1553,7 @@ int stm32_pctl_probe(struct platform_device *pdev)
>>   					dev_err(dev,
>>   						"failed to get clk (%ld)\n",
>>   						PTR_ERR(bank->clk));
>> +				of_node_put(child);
>>   				return PTR_ERR(bank->clk);
>>   			}
>>   			i++;
>> --
>> 1.9.1
>>

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

* Re: [PATCH] pinctrl: stm32: add missing of_node_put
  2021-02-15 10:36 angkery
@ 2021-03-02  9:03 ` Linus Walleij
  0 siblings, 0 replies; 3+ messages in thread
From: Linus Walleij @ 2021-03-02  9:03 UTC (permalink / raw)
  To: angkery
  Cc: Maxime Coquelin, Alexandre TORGUE, Marc Zyngier,
	Etienne Carriere, Geert Uytterhoeven, Matti Vaittinen,
	Fabien Dessenne, Marek Vasut, open list:GPIO SUBSYSTEM,
	linux-stm32, Linux ARM, linux-kernel, Junlin Yang

On Mon, Feb 15, 2021 at 11:41 AM angkery <angkery@163.com> wrote:

> From: Junlin Yang <yangjunlin@yulong.com>
>
> Fix OF node leaks by calling of_node_put in
> for_each_available_child_of_node when the cycle returns.
>
> Generated by: scripts/coccinelle/iterators/for_each_child.cocci
>
> Signed-off-by: Junlin Yang <yangjunlin@yulong.com>

Patch applied with Fabien's ACK!

Yours,
Linus Walleij

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

* [PATCH] pinctrl: stm32: add missing of_node_put
@ 2021-02-15 10:36 angkery
  2021-03-02  9:03 ` Linus Walleij
  0 siblings, 1 reply; 3+ messages in thread
From: angkery @ 2021-02-15 10:36 UTC (permalink / raw)
  To: linus.walleij, mcoquelin.stm32, alexandre.torgue, maz,
	etienne.carriere, geert+renesas, matti.vaittinen,
	fabien.dessenne, marex
  Cc: linux-gpio, linux-stm32, linux-arm-kernel, linux-kernel, Junlin Yang

From: Junlin Yang <yangjunlin@yulong.com>

Fix OF node leaks by calling of_node_put in
for_each_available_child_of_node when the cycle returns.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Signed-off-by: Junlin Yang <yangjunlin@yulong.com>
---
 drivers/pinctrl/stm32/pinctrl-stm32.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 7d9bded..da72e3e 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1542,8 +1542,10 @@ int stm32_pctl_probe(struct platform_device *pdev)
 		if (of_property_read_bool(child, "gpio-controller")) {
 			bank->rstc = of_reset_control_get_exclusive(child,
 								    NULL);
-			if (PTR_ERR(bank->rstc) == -EPROBE_DEFER)
+			if (PTR_ERR(bank->rstc) == -EPROBE_DEFER) {
+				of_node_put(child);
 				return -EPROBE_DEFER;
+			}
 
 			bank->clk = of_clk_get_by_name(child, NULL);
 			if (IS_ERR(bank->clk)) {
@@ -1551,6 +1553,7 @@ int stm32_pctl_probe(struct platform_device *pdev)
 					dev_err(dev,
 						"failed to get clk (%ld)\n",
 						PTR_ERR(bank->clk));
+				of_node_put(child);
 				return PTR_ERR(bank->clk);
 			}
 			i++;
-- 
1.9.1



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

end of thread, other threads:[~2021-03-02  9:36 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-02-15 13:56 ` [PATCH] pinctrl: stm32: add missing of_node_put foss
2021-02-15 10:36 angkery
2021-03-02  9:03 ` Linus Walleij

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