From: Eric W. Biederman <ebiederm@xmission.com>
Date: Thu, 25 Jun 2015 09:48:23 +0000 (+0200)
Subject: net: sched: Simplify em_ipset_match
X-Git-Tag: v6.26~12
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ff0f4b65fb95474890301c2c10133f2d071ad360;p=ipset

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>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
---

diff --git a/kernel/net/sched/em_ipset.c b/kernel/net/sched/em_ipset.c
index 53185d5..31a0bd8 100644
--- a/kernel/net/sched/em_ipset.c
+++ b/kernel/net/sched/em_ipset.c
@@ -112,8 +112,8 @@ 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;