tuntap: remove unused variable in __tun_detach()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Wed, 13 Mar 2013 03:03:58 +0000 (03:03 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Mar 2013 15:31:58 +0000 (11:31 -0400)
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>
drivers/net/tun.c

index b7c457adc0dc7439cc2a842409ed3871207f079b..95837c1b197ae5b5803bc1f78f895ac4fba51039 100644 (file)
@@ -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]);