netdev - Re: [PATCH 1/14][NETNS]: Introduce the net-subsys id generator.

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Date:	Fri, 11 Apr 2008 11:56:34 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Daniel Lezcano <dlezcano@...ibm.com>
CC:	Paul Menage <menage@...gle.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Denis Lunev <den@...nvz.org>,
	Linux Containers <containers@...ts.osdl.org>,
	Benjamin Thery <benjamin.thery@...l.net>
Subject: Re: [PATCH 1/14][NETNS]: Introduce the net-subsys id generator.

>> +int register_pernet_gen_device(int *id, struct pernet_operations *ops)
>> +{
>> +	int error;
>> +	mutex_lock(&net_mutex);
>> +again:
>> +	error = ida_get_new_above(&net_generic_ids, 1, id);
>> +	if (error) {
>> +		if (error == -EAGAIN) {
>> +			ida_pre_get(&net_generic_ids, GFP_KERNEL);
>> +			goto again;
>> +		}
> 
> 		goto out;
> 
>> +	}
>> +	error = register_pernet_operations(first_device, ops);
>> +	if (error)
>> +		ida_remove(&net_generic_ids, *id);
>> +	else if (first_device == &pernet_list)
>> +		first_device = &ops->list;
> 
> out:

Oops! Thank, will fix.
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