Re: May the worker function free its struct_work (plus container)?

From: Leon Woestenberg
Date: Mon May 10 2010 - 06:18:46 EST


Hello Yong,

On Mon, May 10, 2010 at 6:52 AM, Yong Zhang <yong.zhang@xxxxxxxxxxxxx> wrote:
> On Mon, May 10, 2010 at 12:47:23AM +0200, Leon Woestenberg wrote:
>> Hello,
>>
>> may the worker function kfree() it's own work data structure?
>
> Actually, workqueue has no restriction on this kind of operation.
> But if you must be careful with the caller in case it will refer
> the freed struct.
>
Thanks. Is there API documentation or source code documentation that
confirms this is the case?

I would hate to write code that gets buggy due to the underlying
implementation assuming the work structure is available after the
worker function returned.

Regards,
--
Leon
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