From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 13 Mar 2013 03:03:58 +0000 (+0000)
Subject: tuntap: remove unused variable in __tun_detach()
X-Git-Tag: next-20130320~64^2~59
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f7de0b936811296f7d88d378af80ad14b061769a;p=karo-tx-linux.git

tuntap: remove unused variable in __tun_detach()

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>
---

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index b7c457adc0dc..95837c1b197a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -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]);