At 2022-07-09 12:49:23, "Dmitry Torokhov" <dmitry.torokhov@xxxxxxxxx> wrote:
>Hi Liang,
>
>On Sun, Jun 19, 2022 at 03:30:36PM +0800, Liang He wrote:
>> In i8042_platform_init() and i8042_platform_exit(), we need call
>> of_node_put() to keep refcount balance.
>>
>> Signed-off-by: Liang He <windhl@xxxxxxx>
>> ---
>> drivers/input/serio/i8042-sparcio.h | 4 ++++
>> 1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
>> index fce76812843b..a2a9db9220d7 100644
>> --- a/drivers/input/serio/i8042-sparcio.h
>> +++ b/drivers/input/serio/i8042-sparcio.h
>> @@ -108,6 +108,8 @@ static int __init i8042_platform_init(void)
>> struct device_node *root = of_find_node_by_path("/");
>> const char *name = of_get_property(root, "name", NULL);
>>
>> + of_node_put(root);
>> +
>> if (name && !strcmp(name, "SUNW,JavaStation-1")) {
>> /* Hardcoded values for MrCoffee. */
>> i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
>> @@ -139,6 +141,8 @@ static inline void i8042_platform_exit(void)
>> struct device_node *root = of_find_node_by_path("/");
>> const char *name = of_get_property(root, "name", NULL);
>>
>> + of_node_put(root);
>> +
>> if (!name || strcmp(name, "SUNW,JavaStation-1"))
>> platform_driver_unregister(&sparc_i8042_driver);
>> }
>
>There already was an attempt to fix this issue in a slightly better way,
>unfortunately the original author did not finish the work:
>
>https://lore.kernel.org/all/20181212163548.23723-1-tiny.windzz@xxxxxxxxx/
>
>Thanks.
>
>--
>Dmitry
Hi, Dmirtry,
Thanks for reviewing my patch code.
The Li's patch adds a helper and is better than mine.
Thanks again,
Liang
