lkml.org 
[lkml]   [2013]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [net-next RFC 2/8] macvtap: return -EBADFD when TUNGETIFF fails
On 05/23/2013 07:54 PM, Michael S. Tsirkin wrote:
> On Thu, May 23, 2013 at 11:12:27AM +0800, Jason Wang wrote:
>> Tuntap return -EBADFD when TUNGETIFF fails, we should return the same value.
>>
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
> Can you add some more comments on why this matters?

Just to keep compatibility for tuntap.
> Any userspace that cares will have to handle both, right?

Ideally the userspace should expect the same behavior for both tap and
macvtap.

Maybe we should just keep this.
>
>> ---
>> drivers/net/macvtap.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
>> index 59e9605..ce1c72a 100644
>> --- a/drivers/net/macvtap.c
>> +++ b/drivers/net/macvtap.c
>> @@ -928,7 +928,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
>> rcu_read_unlock_bh();
>>
>> if (!vlan)
>> - return -ENOLINK;
>> + return -EBADFD;
>>
>> ret = 0;
>> if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) ||
>> --
>> 1.7.1



\
 
 \ /
  Last update: 2013-05-24 09:01    [W:0.052 / U:0.436 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site