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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 22 Aug 2013 14:16:10 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>
CC:	linux-crypto@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kernel/padata.c: always check the return value of __padata_remove_cpu()
 and __padata_add_cpu()

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/