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tuntap: fix error return code in tun_set_iff() 

Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.

[ Bug added in linux-3.8 , commit 4008e97f86
  ("tuntap: fix ambigious multiqueue API") ]

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2013-04-12 03:17:12 +00:00 committed by David S. Miller
parent f11a869d4e
commit 3be8fbab18
1 changed files with 1 additions and 1 deletions
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drivers/net/tun.c
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@ -1594,7 +1594,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
if (tun->flags & TUN_TAP_MQ &&
(tun->numqueues + tun->numdisabled > 1))
return err;
return -EBUSY;
}
else {
char *name;