linux-kernel - Re: [PATCH net-next 4/5] net: dsa: add slave get master helper

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Message-ID: <e3e7001e-8618-0b31-cd28-ebcdad561f7b@gmail.com>
Date:   Thu, 12 Oct 2017 16:02:08 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next 4/5] net: dsa: add slave get master helper

On 10/12/2017 03:51 PM, Vivien Didelot wrote:
> Many part of the DSA slave code require to get the master device
> assigned to a slave device. Remove dsa_master_netdev() in favor of a
> dsa_slave_get_master() helper which does that.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
> ---

> +static inline struct net_device *
> +dsa_slave_get_master(const struct net_device *dev)
> +{
> +	struct dsa_port *dp = dsa_slave_to_port(dev);
> +
> +	return dp->cpu_dp->netdev;
> +}

Nit: _get may convey the idea that a reference count may be incremented
when the function is called (balanced with a _put), so maybe name it
dsa_slave_to_master() which is more in line with dsa_slave_to_port() as
well? Other than that:

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian