Re: [RFC] [patch 2/6] [Network namespace] Network device sharing byview

[Andrew Morton]

On Fri, 09 Jun 2006 23:02:04 +0200
dlezcano@xxxxxxxxxx wrote:

> +int net_ns_dev_add(const char *devname,
> +		   struct net_ns_dev_list *devlist)
> +{
> +	struct net_ns_dev *db;
> +	struct net_device *dev;
> +	int ret = 0;
> +
> +	read_lock(&dev_base_lock);
> +
> +	for (dev = dev_base; dev; dev = dev->next)
> +		if (!strncmp(dev->name, devname, IFNAMSIZ))
> +			break;
> +
> +	if (!dev) {
> +		ret = -ENODEV;
> +		goto out;
> +	}
> +
> +	db = kmalloc(sizeof(*db), GFP_KERNEL);

sleep-in-spinlock.  Please always test new code with all kernel debugging
options enabled.
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