[PATCH] gpio: zynq: fix reference leak in zynq_gpio functions

Qinglang Miao miaoqinglang at huawei.com
Mon Nov 30 20:23:00 EST 2020



在 2020/12/1 0:44, Bartosz Golaszewski 写道:
> On Fri, Nov 27, 2020 at 10:40 AM Qinglang Miao <miaoqinglang at huawei.com> wrote:
>>
>> pm_runtime_get_sync will increment pm usage counter even it
>> failed. Forgetting to putting operation will result in a
>> reference leak here.
>>
>> A new function pm_runtime_resume_and_get is introduced in
>> [0] to keep usage counter balanced. So We fix the reference
>> leak by replacing it with new funtion.
>>
>> [0] dd8088d5a896 ("PM: runtime: Add  pm_runtime_resume_and_get to deal with usage counter")
> 
> Is this upstream yet?
> 
> Bartosz
> .
Yep, it's introduced in v5.10-rc5
> 



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