linux-kernel - Re: [PATCH 1/5] net: visually shrink eth_platform_get_mac

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Date:   Thu, 19 Jul 2018 08:10:54 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     brgl@...ev.pl
Cc:     nsekhar@...com, khilman@...nel.org, linux@...linux.org.uk,
        grygorii.strashko@...com, srinivas.kandagatla@...aro.org,
        lukas@...ner.de, robh@...nel.org, f.fainelli@...il.com,
        dan.carpenter@...cle.com, ivan.khoronzhuk@...aro.org,
        david@...hnology.com, gregkh@...uxfoundation.org, andrew@...n.ch,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, netdev@...r.kernel.org,
        bgolaszewski@...libre.com
Subject: Re: [PATCH 1/5] net: visually shrink eth_platform_get_mac_address()

From: Bartosz Golaszewski <brgl@...ev.pl>
Date: Wed, 18 Jul 2018 18:10:31 +0200

> @@ -527,15 +527,10 @@ unsigned char * __weak arch_get_platform_mac_address(void)
>  
>  int eth_platform_get_mac_address(struct device *dev, u8 *mac_addr)
>  {
> -	const unsigned char *addr;
> -	struct device_node *dp;
> +	struct device_node *dp = dev_is_pci(dev) ?
> +			pci_device_to_OF_node(to_pci_dev(dev)) : dev->of_node;
> +	const unsigned char *addr = NULL;
>  
> -	if (dev_is_pci(dev))
> -		dp = pci_device_to_OF_node(to_pci_dev(dev));
> -	else
> -		dp = dev->of_node;
> -

Reverse christmas tree is why the assignments are in the body of
the function instead of the declaration area.

Please don't do this, thanks.