netdev - Re: [PATCH net-next 07/11] net: hns3: add void before function which don't receive ret

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Date:   Fri, 3 Dec 2021 13:15:32 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Guangbin Huang <huangguangbin2@...wei.com>
Cc:     davem@...emloft.net, kuba@...nel.org, wangjie125@...wei.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        lipeng321@...wei.com, chenhao288@...ilicon.com
Subject: Re: [PATCH net-next 07/11] net: hns3: add void before function which
 don't receive ret

On Fri, Dec 03, 2021 at 05:20:55PM +0800, Guangbin Huang wrote:
> From: Hao Chen <chenhao288@...ilicon.com>
> 
> Add void before function which don't receive ret to improve code
> readability.
> 
> Signed-off-by: Hao Chen <chenhao288@...ilicon.com>
> Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
> ---
>  drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c   | 2 +-
>  drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

NAK,

Please stop to do it and fix your static analyzer.
https://lore.kernel.org/linux-rdma/20211119172830.GL876299@ziepe.ca/

We don't add (void) in the kernel and especially for the functions that
already declared as void.

   void devlink_register(struct devlink *devlink)

Thanks

> 
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
> index 4c441e6a5082..9c3199d3c8ee 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
> @@ -120,7 +120,7 @@ int hclge_devlink_init(struct hclge_dev *hdev)
>  	hdev->devlink = devlink;
>  
>  	devlink_set_features(devlink, DEVLINK_F_RELOAD);
> -	devlink_register(devlink);
> +	(void)devlink_register(devlink);
>  	return 0;
>  }
>  
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
> index fdc19868b818..75d2926729d3 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c
> @@ -122,7 +122,7 @@ int hclgevf_devlink_init(struct hclgevf_dev *hdev)
>  	hdev->devlink = devlink;
>  
>  	devlink_set_features(devlink, DEVLINK_F_RELOAD);
> -	devlink_register(devlink);
> +	(void)devlink_register(devlink);
>  	return 0;
>  }
>  
> -- 
> 2.33.0
>