Re: [PATCH] jbd/jbd2: add pointer type conversion on void *arg fromvoid * to journal_t * explicitly in kjournald/kjournald2

From: Wang Sheng-Hui
Date: Tue Aug 02 2011 - 22:56:25 EST


On 2011å08æ03æ 10:52, AmÃrico Wang wrote:
> On Wed, Aug 3, 2011 at 10:17 AM, Wang Sheng-Hui <shhuiw@xxxxxxxxx> wrote:
>>
>> I remember any * can be assigned directly to void * in ANSI C, but
>> void * should be converted to specific point * type. Right?
>>
>
> C99 6.3.2.3

Got it. Thanks,

>
> A pointer to void may be converted to or from a pointer to any
> incomplete or object
> type. A pointer to any incomplete or object type may be converted to a
> pointer to void
> and back again; the result shall compare equal to the original pointer.

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