linux-kernel - Re: [PATCH] crypto: ccree - remove redundant 'flush

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Date:   Fri, 12 Nov 2021 18:18:39 +0000
From:   Cristian Marussi <cristian.marussi@....com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     gilad@...yossef.com, herbert@...dor.apana.org.au,
        davem@...emloft.net, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] crypto: ccree - remove redundant 'flush_workqueue()'
 calls

On Fri, Nov 12, 2021 at 05:49:23PM +0100, Christophe JAILLET wrote:
> 'destroy_workqueue()' already drains the queue before destroying it, so
> there is no need to flush it explicitly.
> 
> Remove the redundant 'flush_workqueue()' calls.
> 
> This was generated with coccinelle:

Hi Cristophe,

> 
> @@
> expression E;
> @@
> - 	flush_workqueue(E);
> 	destroy_workqueue(E);
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

LGTM.

Reviewed-by: Cristian Marussi <cristian.marussi@....com>

Thanks,
Cristian

> ---
>  drivers/crypto/ccree/cc_request_mgr.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
> index 33fb27745d52..887162df50f9 100644
> --- a/drivers/crypto/ccree/cc_request_mgr.c
> +++ b/drivers/crypto/ccree/cc_request_mgr.c
> @@ -101,7 +101,6 @@ void cc_req_mgr_fini(struct cc_drvdata *drvdata)
>  	dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);
>  
>  #ifdef COMP_IN_WQ
> -	flush_workqueue(req_mgr_h->workq);
>  	destroy_workqueue(req_mgr_h->workq);
>  #else
>  	/* Kill tasklet */
> -- 
> 2.30.2
>