Re: [RFC PATCH] use dev_set_name(,NULL) to prevent leaking

From: Kay Sievers
Date: Tue Apr 28 2009 - 12:51:29 EST


On Tue, Apr 28, 2009 at 18:36, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> Kay Sievers wrote:
>> On Tue, Apr 28, 2009 at 17:51, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>>
>>> before device_register==>device_initialize is called, kobj->ref is still 0.
>>>
>>> will get warn from
>>> Â Â Â Â Â Â Â Âif (!kobj->state_initialized)
>>
>> Initialize the device before you do anything with it. And call _put()
>> any time to get rid of ressources, which might have been allocated
>> before registering.
>
> need to replace device_register with device_add and call device_initialize before device_set_name?

Sounds right in the case you want to jump out between set_name() and
_register() -- means you have an uninitialized device, where you can
not call put_device(). Otherwise after a failing _register() it should
work fine.

Kay
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