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Message-ID: <20180718162849.GA12477@lunn.ch>
Date:   Wed, 18 Jul 2018 18:28:49 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Grygorii Strashko <grygorii.strashko@...com>,
        "David S . Miller" <davem@...emloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Lukas Wunner <lukas@...ner.de>, Rob Herring <robh@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        David Lechner <david@...hnology.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, netdev@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 1/5] net: visually shrink eth_platform_get_mac_address()

On Wed, Jul 18, 2018 at 06:10:31PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> Initialize the variables with proper values so that we save a few
> lines of code before we extend this function in the follow-up patches.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
>  net/ethernet/eth.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
> index ee28440f57c5..da8530879e1e 100644
> --- a/net/ethernet/eth.c
> +++ b/net/ethernet/eth.c
> @@ -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;

Hi Bartosz

You are now in the net subsystem, which has its own set of additional
coding styles. One of them is reverse Christmas tree.

You might want to read Documentation/networking/netdev-FAQ.txt.

    Andrew

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