From: Jason Wang <jasowang@redhat.com>
Date: Mon, 22 Apr 2013 20:40:39 +0000 (+0000)
Subject: tuntap: correct the return value in tun_set_iff()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~77^2~15^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8dbad66ef56074eadb41ed5998acd2320447018;p=pandora-kernel.git

tuntap: correct the return value in tun_set_iff()

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@google.com>
Cc: Jerry Chu <hkchu@google.com>
Cc: Wei Yongjun <weiyj.lk@gmail.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by:  Jerry Chu <hkchu@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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