Re: [PATCH V2 1/5] ublk_drv: avoid to leak ublk device in case that add_disk fails

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On 2022/7/28 08:18, Ming Lei wrote:
> On Wed, Jul 27, 2022 at 06:21:32PM +0200, Christoph Hellwig wrote:
>> maybe s/avoid/don't/ in the subject?
> 
> OK, will change in V3.
> 
>>
>>> -	get_device(&ub->cdev_dev);
>>>  	ret = add_disk(disk);
>>>  	if (ret) {
>>>  		put_disk(disk);
>>>  		goto out_unlock;
>>
>> Maybe just add a put_device here in the error branch to keep
>> things simple?
> 
> That is fine.
> 
> Another way is to add 'out_put_disk' error label which can be
> reused with previous error handling.

+1, adding another error label looks clear and simple.



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