On Wed, Apr 16, 2014 at 02:32:29PM +0900, Daeseok Youn wrote:
> 
> wq_update_unbound_numa() failure path has the following two bugs.
>  - alloc_unbound_pwq() is called without holding wq->mutex;
>  however, if the allocation fails, it jumps to out_unlock
>  which tries to unlock wq->mutex.
> 
>  - The function should switch to dfl_pwq on failure
>  but didn't do so after alloc_unbound_pwq() failure.
> 
> Fix it by regrabbing wq->mutex and jumping to use_dfl_pwq on
> alloc_unbound_pwq() failure.
> 
> Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>

Applied to wq/for-3.15-fixes.

Thanks.

-- 
tejun
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