Re: [PATCH] kernel/workqueue.c: kfree issue, need check flag 'WQ_UNBOUND'when processing failure.

From: Chen Gang
Date: Tue May 14 2013 - 21:35:35 EST


On 05/14/2013 11:20 PM, Tejun Heo wrote:
> On Tue, May 14, 2013 at 09:06:40PM +0800, Chen Gang wrote:
>> err_destroy:
>> destroy_workqueue(wq);
>> + if (flags & WQ_UNBOUND) {
>> +err_free_wq:
>> + free_workqueue_attrs(wq->unbound_attrs);
>> + kfree(wq);
>> + }
>
> Doesn't the above make the code free wq twice on after err_destroy?
>

Oh, it is my fault. I did not see the put_pwq_unlocked() in details,
next I should read the code carefully.


Thanks.
--
Chen Gang

Asianux Corporation
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