linux-kernel - Re: [PATCH] net: bcmasp: Use common error handling code in bcmasp

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Message-ID: <83b0921a-5718-4dbf-b9bd-5662e47e3807@intel.com>
Date:   Mon, 6 Nov 2023 11:02:27 +0100
From:   Wojciech Drewek <wojciech.drewek@...el.com>
To:     Markus Elfring <Markus.Elfring@....de>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        "David S. Miller" <davem@...emloft.net>,
        "Eric Dumazet" <edumazet@...gle.com>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "Justin Chen" <justin.chen@...adcom.com>,
        Paolo Abeni <pabeni@...hat.com>,
        <bcm-kernel-feedback-list@...adcom.com>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
CC:     <cocci@...ia.fr>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: bcmasp: Use common error handling code in
 bcmasp_probe()



On 05.11.2023 17:33, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sun, 5 Nov 2023 17:24:01 +0100
> 
> Add a jump target so that a bit of exception handling can be better
> reused at the end of this function.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/net/ethernet/broadcom/asp2/bcmasp.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
> index 29b04a274d07..675437e44b94 100644
> --- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c
> +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
> @@ -1304,9 +1304,8 @@ static int bcmasp_probe(struct platform_device *pdev)
>  		intf = bcmasp_interface_create(priv, intf_node, i);
>  		if (!intf) {
>  			dev_err(dev, "Cannot create eth interface %d\n", i);
> -			bcmasp_remove_intfs(priv);
>  			of_node_put(intf_node);
> -			goto of_put_exit;
> +			goto remove_intfs;
>  		}
>  		list_add_tail(&intf->list, &priv->intfs);
>  		i++;
> @@ -1331,8 +1330,7 @@ static int bcmasp_probe(struct platform_device *pdev)
>  			netdev_err(intf->ndev,
>  				   "failed to register net_device: %d\n", ret);
>  			priv->destroy_wol(priv);
> -			bcmasp_remove_intfs(priv);
> -			goto of_put_exit;
> +			goto remove_intfs;
>  		}
>  		count++;
>  	}
> @@ -1342,6 +1340,10 @@ static int bcmasp_probe(struct platform_device *pdev)
>  of_put_exit:
>  	of_node_put(ports_node);
>  	return ret;
> +
> +remove_intfs:
> +	bcmasp_remove_intfs(priv);
> +	goto of_put_exit;

Why is it at the end of the function? Just move it above of_put_exit and it will naturally 
go to the of_node_put call. No need for "goto of_put_exit".

>  }
> 
>  static void bcmasp_remove(struct platform_device *pdev)
> --
> 2.42.0
> 
>