linux-kernel - Re: [PATCH] ipv6: parameter p.name is empty

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Date:   Thu, 3 Jun 2021 09:15:27 -0600
From:   David Ahern <dsahern@...il.com>
To:     nicolas.dichtel@...nd.com, zhang kai <zhangkaiheb@....com>,
        davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6: parameter p.name is empty

On 6/3/21 7:33 AM, Nicolas Dichtel wrote:
> Le 03/06/2021 à 11:50, zhang kai a écrit :
>> so do not check it.
>>
>> Signed-off-by: zhang kai <zhangkaiheb@....com>
>> ---
>>  net/ipv6/addrconf.c | 3 ---
>>  1 file changed, 3 deletions(-)
>>
>> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
>> index b0ef65eb9..4c6b3fc7e 100644
>> --- a/net/ipv6/addrconf.c
>> +++ b/net/ipv6/addrconf.c
>> @@ -2833,9 +2833,6 @@ static int addrconf_set_sit_dstaddr(struct net *net, struct net_device *dev,
>>  	if (err)
>>  		return err;
>>  
>> -	dev = __dev_get_by_name(net, p.name);
>> -	if (!dev)
>> -		return -ENOBUFS;
>>  	return dev_open(dev, NULL);
>>  }
>>  
>>
> This bug seems to exist since the beginning of the SIT driver (24 years!):
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/netdev-vger-cvs.git/commit/?id=e5afd356a411a
> Search addrconf_set_dstaddr()
> 
> Acked-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> 

A patch was sent yesterday, "sit: set name of device back to struct
parms", to set the name field in params.