act_connmark: Remember the struct net instead of guessing it.

Stop guessing the struct net instead of remember it.  Guessing is just
silly and will be problematic in the future when I implement routes
between network namespaces.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 5019a47b9270..413ac39147d8 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -74,7 +74,7 @@ static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a,
         zone.id = ca->zone;
         zone.dir = NF_CT_DEFAULT_ZONE_DIR;
 
-        thash = nf_conntrack_find_get(dev_net(skb->dev), &zone, &tuple);
+        thash = nf_conntrack_find_get(ca->net, &zone, &tuple);
         if (!thash)
                 goto out;
 
@@ -119,6 +119,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
 
                 ci = to_connmark(a);
                 ci->tcf_action = parm->action;
+                ci->net = net;
                 ci->zone = parm->zone;
 
                 tcf_hash_insert(a);