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

[Al Viro]

On Fri, Jun 09, 2006 at 11:02:04PM +0200, dlezcano@xxxxxxxxxx wrote:

> +	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);

deadlock.


Besides, holding references to net_device from userland is Not Good(tm).
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