netdev - Re: [PATCH net 2/2] net: usb: asix: Replace the direct return with goto statement

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Message-ID: <e6bc6f826aa59e8023e18892276ec875f4fc3bda.camel@redhat.com>
Date: Tue, 09 Apr 2024 10:57:25 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Yi Yang <yiyang13@...wei.com>, horms@...nel.org, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, nichen@...as.ac.cn
Cc: linux-usb@...r.kernel.org, netdev@...r.kernel.org,
 stable@...r.kernel.org,  wangweiyang2@...wei.com
Subject: Re: [PATCH net 2/2] net: usb: asix: Replace the direct return with
 goto statement

On Sun, 2024-04-07 at 07:55 +0000, Yi Yang wrote:
> Replace the direct return statement in ax88772_bind() with goto, to adhere
> to the kernel coding style.
> 
> Signed-off-by: Yi Yang <yiyang13@...wei.com>
> ---
>  drivers/net/usb/asix_devices.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
> index d8f86bafad6a..11417ed86d9e 100644
> --- a/drivers/net/usb/asix_devices.c
> +++ b/drivers/net/usb/asix_devices.c
> @@ -838,7 +838,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
>  
>  	ret = usbnet_get_endpoints(dev, intf);
>  	if (ret)
> -		return ret;
> +		goto mdio_err;
>  
>  	/* Maybe the boot loader passed the MAC address via device tree */
>  	if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
> @@ -862,7 +862,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
>  		if (ret < 0) {
>  			netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
>  				   ret);
> -			return ret;
> +			goto mdio_err;
>  		}
>  	}
>  
> @@ -875,7 +875,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
>  
>  	ret = asix_read_phy_addr(dev, true);
>  	if (ret < 0)
> -		return ret;
> +		goto mdio_err;
>  
>  	priv->phy_addr = ret;
>  	priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR);
> @@ -884,7 +884,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
>  			    &priv->chipcode, 0);
>  	if (ret < 0) {
>  		netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret);
> -		return ret;
> +		goto mdio_err;
>  	}
>  
>  	priv->chipcode &= AX_CHIPCODE_MASK;
> @@ -899,7 +899,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
>  	ret = priv->reset(dev, 0);
>  	if (ret < 0) {
>  		netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
> -		return ret;
> +		goto mdio_err;
>  	}
>  
>  	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */

As noted by Simon in the previous submission, this kind of change
should target the 'net-next' tree, you can't bundle it in a 'net'
series. You have to submit the 'net' patch, get it merged, wait until
'net' is merged back into 'net-next' and then submit the 'net-next'
follow-up.

Please read Documentation/process/maintainer-netdev.rst for the gory
details.

Additionally, I would also suggest to drop instead the 'mdio_err'
label: there is little/no gain replacing a return statement with jump
to a return statement.

Cheers,

Paolo