From 17cebfd097fe8a21902602db5196f48e5a9d34e8 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 17 Jun 2015 10:28:17 -0500
Subject: [PATCH] net: sched: Simplify em_ipset_match

em->net is always set and always available, use it in preference
to dev_net(skb->dev).

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/sched/em_ipset.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sched/em_ipset.c b/net/sched/em_ipset.c
index a3d79c8bf3b8..df0328ba6a48 100644
--- a/net/sched/em_ipset.c
+++ b/net/sched/em_ipset.c
@@ -92,8 +92,8 @@ static int em_ipset_match(struct sk_buff *skb, struct tcf_ematch *em,
 
 	rcu_read_lock();
 
-	if (dev && skb->skb_iif)
-		indev = dev_get_by_index_rcu(dev_net(dev), skb->skb_iif);
+	if (skb->skb_iif)
+		indev = dev_get_by_index_rcu(em->net, skb->skb_iif);
 
 	acpar.in      = indev ? indev : dev;
 	acpar.out     = dev;