netdev - Re: [PATCH ipsec-next] xfrm: Do not parse 32bits compiled xfrm netlink msg on 64bits host

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Date:	Tue, 27 Jan 2015 15:44:36 +0800
From:	Fan Du <fengyuleidian0615@...il.com>
To:	David Miller <davem@...emloft.net>
CC:	fan.du@...el.com, steffen.klassert@...unet.com,
	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: [PATCH ipsec-next] xfrm: Do not parse 32bits compiled xfrm netlink
 msg on 64bits host

于 2015年01月27日 15:39, David Miller 写道:
> From: Fan Du <fan.du@...el.com>
> Date: Tue, 27 Jan 2015 10:54:22 +0800
>
>> @@ -2419,6 +2419,11 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
>>   	const struct xfrm_link *link;
>>   	int type, err;
>>
>> +#ifdef CONFIG_COMPAT
>> +	if (is_compat_task())
>> +		return -EPERM;
>> +#endif
>> +
>
> This seems more like an unsupported operation rather then a permission
> problem.
>
how about *ENOTSUPP* ?

-- 
No zuo no die but I have to try.
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