Re: [PATCH] kernel/padata.c: always check the return value of __padata_remove_cpu() and __padata_add_cpu()

[Chen Gang <gang.chen@asianux.com>]

On 08/22/2013 02:05 PM, Steffen Klassert wrote:
> On Thu, Aug 22, 2013 at 01:27:16PM +0800, Chen Gang wrote:
>> On 08/22/2013 01:11 PM, Steffen Klassert wrote:
>>> On Tue, Aug 20, 2013 at 11:44:31AM +0800, Chen Gang wrote:
>>>>
>>>> If this patch is correct, better to let CPU_ONLINE and CPU_DOWN_FAILED
>>>> share the same code.
>>>>
>>>> And do we need a comment "/* fall through */" between CPU_UP_CANCELED
>>>> and CPU_DOWN_FAILED (or it is another bug, need a 'break' statement) ?
>>>>
>>>> At last, also better to let CPU_DOWN_PREPARE and CPU_UP_CANCELED share
>>>> the same code (if need a 'break'), or share the most of code (if "fall
>>>> through").
>>>>
>>>
>>> CPU_ONLINE and CPU_DOWN_FAILED can share the code. Same is true for
>>> CPU_DOWN_PREPARE and CPU_UP_CANCELED.
>>>
>>> Thanks!
>>>
>>>
>>
>> Thank you too.
>>
>> And need I send another patch for it ?
>>
>> Or just make by yourself (and better to mark me as Reported-by). :-)
>>
> 
> You found the problem, feel free to send a patch.
> 
> 

Thanks, I will send patch v2 for it.

-- 
Chen Gang