Re: [PATCH] vchiq-mmal: Remove redundant 'flush_workqueue()' calls

From: Stefan Wahren
Date: Thu Jan 27 2022 - 07:35:54 EST


Hi,

Am 27.01.22 um 02:44 schrieb cgel.zte@xxxxxxxxx:
> From: "Minghao Chi (CGEL ZTE)" <chi.minghao@xxxxxxxxxx>
>
> 'destroy_workqueue()' already drains the queue before destroying it,
> so there is no need to flush it explicitly.
>
> Remove the redundant 'flush_workqueue()' calls.
are you sure that drain_workqueue() is the same as flush_workqueue()?
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx>
> Signed-off-by: CGEL ZTE <cgel.zte@xxxxxxxxx>
> ---
> drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> index 76d3f0399964..60305c63c6f6 100644
> --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
> @@ -1844,7 +1844,6 @@ int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance)
> mutex_unlock(&instance->vchiq_mutex);
>
> vchiq_shutdown(instance->vchiq_instance);
> - flush_workqueue(instance->bulk_wq);
> destroy_workqueue(instance->bulk_wq);
>
> vfree(instance->bulk_scratch);