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Commit f7de0b93 authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller
Browse files

tuntap: remove unused variable in __tun_detach() 



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

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: default avatarNeil Horman <nhorman@tuxdriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent df594563

drivers/net/tun.c

+0 −2
Original line number Diff line number Diff line
@@ -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]);