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tuntap: remove unused variable in __tun_detach()

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The variable dev is initialized but never used
otherwise, so remove the unused variable.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2013-03-13 03:03:58 +00:00 committed by David S. Miller
parent df594563fc
commit f7de0b9368
1 changed files with 0 additions and 2 deletions
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2
drivers/net/tun.c
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@ -409,14 +409,12 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
{
struct tun_file *ntfile;
struct tun_struct *tun;
struct net_device *dev;
tun = rtnl_dereference(tfile->tun);
if (tun && !tfile->detached) {
u16 index = tfile->queue_index;
BUG_ON(index >= tun->numqueues);
dev = tun->dev;
rcu_assign_pointer(tun->tfiles[index],
tun->tfiles[tun->numqueues - 1]);