netdev - Re: [PATCH net-next 1/3] Add LAN743X driver

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Date:   Fri, 11 Aug 2017 15:50:57 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     <Bryan.Whitehead@...rochip.com>
Cc:     <netdev@...r.kernel.org>, <davem@...emloft.net>,
        <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH net-next 1/3] Add LAN743X driver

On Fri, 11 Aug 2017 19:47:57 +0000
<Bryan.Whitehead@...rochip.com> wrote:

> +
> +	netdev = alloc_etherdev(sizeof(struct lan743x_adapter));
> +	if (!netdev) {
> +		NETIF_ERROR(adapter, probe, adapter->netdev,
> +			    "alloc_etherdev returned NULL");
> +		ret = -ENOMEM;
> +		goto clean_up;
> +	}
> +
> +	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
> +	SET_NETDEV_DEV(netdev, &pdev->dev);
> +	pci_set_drvdata(pdev, netdev);
> +	adapter = netdev_priv(netdev);
> +	if (!adapter) {
> +		NETIF_ERROR(adapter, probe, adapter->netdev,
> +			    "netdev_priv returned NULL");
> +		ret = -ENOMEM;
> +		goto clean_up;
> +	}
> +	memset(adapter, 0, sizeof(struct lan743x_adapter));

netdev_priv area is already zerod