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Message-ID: <6eb2ed3a-13fb-54cc-4416-d8e7671e87f3@gmail.com>
Date:   Wed, 9 Jun 2021 13:36:43 +0200
From:   Maximilian Luz <luzmaximilian@...il.com>
To:     Baokun Li <libaokun1@...wei.com>, linux-kernel@...r.kernel.org,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>
Cc:     weiyongjun1@...wei.com, yuehaibing@...wei.com,
        yangjihong1@...wei.com, yukuai3@...wei.com,
        platform-driver-x86@...r.kernel.org,
        kernel-janitors@...r.kernel.org, Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH -next v2] platform/surface: aggregator: Use list_move_tail
 instead of list_del/list_add_tail in ssh_request_layer.c

On 6/9/21 9:26 AM, Baokun Li wrote:
> Using list_move_tail() instead of list_del() + list_add_tail() in ssh_request_layer.c.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Baokun Li <libaokun1@...wei.com>

Looks good to me, thanks!

Reviewed-by: Maximilian Luz <luzmaximilian@...il.com>

Regards,
Max

> ---
> V1->V2:
> 	CC mailist
> 
>   .../surface/aggregator/ssh_request_layer.c | 10 +++-------
>   1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c
> index 52a83a8fcf82..fec2d7af2646 100644
> --- a/drivers/platform/surface/aggregator/ssh_request_layer.c
> +++ b/drivers/platform/surface/aggregator/ssh_request_layer.c
> @@ -863,9 +863,7 @@ static void ssh_rtl_timeout_reap(struct work_struct *work)
>   		clear_bit(SSH_REQUEST_SF_PENDING_BIT, &r->state);
>   
>   		atomic_dec(&rtl->pending.count);
> -		list_del(&r->node);
> -
> -		list_add_tail(&r->node, &claimed);
> +		list_move_tail(&r->node, &claimed);
>   	}
>   	spin_unlock(&rtl->pending.lock);
>   
> @@ -1204,8 +1202,7 @@ void ssh_rtl_shutdown(struct ssh_rtl *rtl)
>   		smp_mb__before_atomic();
>   		clear_bit(SSH_REQUEST_SF_QUEUED_BIT, &r->state);
>   
> -		list_del(&r->node);
> -		list_add_tail(&r->node, &claimed);
> +		list_move_tail(&r->node, &claimed);
>   	}
>   	spin_unlock(&rtl->queue.lock);
>   
> @@ -1238,8 +1235,7 @@ void ssh_rtl_shutdown(struct ssh_rtl *rtl)
>   			smp_mb__before_atomic();
>   			clear_bit(SSH_REQUEST_SF_PENDING_BIT, &r->state);
>   
> -			list_del(&r->node);
> -			list_add_tail(&r->node, &claimed);
> +			list_move_tail(&r->node, &claimed);
>   		}
>   		spin_unlock(&rtl->pending.lock);
>   	}
> 

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