Re: [PATCH net] tuntap: correct the return value in tun_set_iff()

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Tue, 23 Apr 2013 14:40:39 +0800

> commit (3be8fbab tuntap: fix error return code in tun_set_iff()) breaks the
> creation of multiqueue tuntap since it forbids to create more than one queues
> for a multiqueue tuntap device. We need return 0 instead -EBUSY here since we
> don't want to re-initialize the device when one or more queues has been already
> attached. Add a comment and correct the return value to zero.
> 
> Reported-by: Jerry Chu <hkchu@xxxxxxxxxx>
> Cc: Jerry Chu <hkchu@xxxxxxxxxx>
> Cc: Wei Yongjun <weiyj.lk@xxxxxxxxx>
> Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied.
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