netdev - Re: [PATCH net-next 1/3] net: dsa: remove out label in dsa_switch_setup

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Message-ID: <20170103183913.GB30638@lunn.ch>
Date:   Tue, 3 Jan 2017 19:39:13 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>, cphealy@...il.com
Subject: Re: [PATCH net-next 1/3] net: dsa: remove out label in
 dsa_switch_setup_one

On Tue, Jan 03, 2017 at 01:15:36PM -0500, Vivien Didelot wrote:
> The "out" label in dsa_switch_setup_one() is useless, thus remove it.

Hi Vivien

Missing a SOB.

This one patch i'm happy with. Assuming we drop the other two, please
could you submit this on its own.

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew


> ---
>  net/dsa/dsa.c | 40 +++++++++++++---------------------------
>  1 file changed, 13 insertions(+), 27 deletions(-)
> 
> diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
> index 7899919cd9f0..89e66b623d73 100644
> --- a/net/dsa/dsa.c
> +++ b/net/dsa/dsa.c
> @@ -329,8 +329,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  			if (dst->cpu_switch != -1) {
>  				netdev_err(dst->master_netdev,
>  					   "multiple cpu ports?!\n");
> -				ret = -EINVAL;
> -				goto out;
> +				return -EINVAL;
>  			}
>  			dst->cpu_switch = index;
>  			dst->cpu_port = i;
> @@ -343,10 +342,8 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  		valid_name_found = true;
>  	}
>  
> -	if (!valid_name_found && i == DSA_MAX_PORTS) {
> -		ret = -EINVAL;
> -		goto out;
> -	}
> +	if (!valid_name_found && i == DSA_MAX_PORTS)
> +		return -EINVAL;
>  
>  	/* Make the built-in MII bus mask match the number of ports,
>  	 * switch drivers can override this later
> @@ -363,10 +360,8 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  
>  		tag_protocol = ops->get_tag_protocol(ds);
>  		dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
> -		if (IS_ERR(dst->tag_ops)) {
> -			ret = PTR_ERR(dst->tag_ops);
> -			goto out;
> -		}
> +		if (IS_ERR(dst->tag_ops))
> +			return PTR_ERR(dst->tag_ops);
>  
>  		dst->rcv = dst->tag_ops->rcv;
>  	}
> @@ -378,25 +373,23 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  	 */
>  	ret = ops->setup(ds);
>  	if (ret < 0)
> -		goto out;
> +		return ret;
>  
>  	if (ops->set_addr) {
>  		ret = ops->set_addr(ds, dst->master_netdev->dev_addr);
>  		if (ret < 0)
> -			goto out;
> +			return ret;
>  	}
>  
>  	if (!ds->slave_mii_bus && ops->phy_read) {
>  		ds->slave_mii_bus = devm_mdiobus_alloc(parent);
> -		if (!ds->slave_mii_bus) {
> -			ret = -ENOMEM;
> -			goto out;
> -		}
> +		if (!ds->slave_mii_bus)
> +			return -ENOMEM;
>  		dsa_slave_mii_bus_init(ds);
>  
>  		ret = mdiobus_register(ds->slave_mii_bus);
>  		if (ret < 0)
> -			goto out;
> +			return ret;
>  	}
>  
>  	/*
> @@ -409,20 +402,16 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  			continue;
>  
>  		ret = dsa_slave_create(ds, parent, i, cd->port_names[i]);
> -		if (ret < 0) {
> +		if (ret < 0)
>  			netdev_err(dst->master_netdev, "[%d]: can't create dsa slave device for port %d(%s): %d\n",
>  				   index, i, cd->port_names[i], ret);
> -			ret = 0;
> -		}
>  	}
>  
>  	/* Perform configuration of the CPU and DSA ports */
>  	ret = dsa_cpu_dsa_setups(ds, parent);
> -	if (ret < 0) {
> +	if (ret < 0)
>  		netdev_err(dst->master_netdev, "[%d] : can't configure CPU and DSA ports\n",
>  			   index);
> -		ret = 0;
> -	}
>  
>  	ret = dsa_cpu_port_ethtool_setup(ds);
>  	if (ret)
> @@ -453,10 +442,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
>  	}
>  #endif /* CONFIG_NET_DSA_HWMON */
>  
> -	return ret;
> -
> -out:
> -	return ret;
> +	return 0;
>  }
>  
>  static struct dsa_switch *
> -- 
> 2.11.0
>