Re: [PATCH v2 2/2] PM / devfreq: exynos-bus: Disable devfreq-event device when fails

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On 12/23/19 9:47 AM, Chanwoo Choi wrote:
> On 12/23/19 2:41 AM, Yangtao Li wrote:
>> The exynos_bus_profile_init process may fail, but the devfreq event device
>> remains enabled. Call devfreq_event_disable_edev on the error return path.
>>
>> Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
>> ---
>> v2:
>> -change subject
>> -rename lable to err_edev
>> -add return value check
>> ---
>>  drivers/devfreq/exynos-bus.c | 9 ++++++++-
>>  1 file changed, 8 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
>> index 7f5917d59072..948e9340f91c 100644
>> --- a/drivers/devfreq/exynos-bus.c
>> +++ b/drivers/devfreq/exynos-bus.c
>> @@ -335,10 +335,17 @@ static int exynos_bus_profile_init(struct exynos_bus *bus,
>>  	ret = exynos_bus_set_event(bus);
>>  	if (ret < 0) {
>>  		dev_err(dev, "failed to set event to devfreq-event devices\n");
>> -		return ret;
>> +		goto err_edev;
>>  	}
>>  
>>  	return 0;
>> +
>> +err_edev:
>> +	ret = exynos_bus_disable_edev(bus);
>> +	if (ret < 0)
>> +		dev_warn(dev, "failed to disable the devfreq-event devices\n");
>> +
>> +	return ret;
>>  }
>>  
>>  static int exynos_bus_profile_init_passive(struct exynos_bus *bus,
>>
> 
> Applied it.
> 

I'm sorry. I applied the v3[1] patch instead of this.
[1] https://patchwork.kernel.org/patch/11307721/


-- 
Best Regards,
Chanwoo Choi
Samsung Electronics



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