netfilter: x_tables: Use par->net instead of computing from the passed net devices

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

1 files changed, 12 insertions, 12 deletions

diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c
index d0c96c5ae29a..3ab591e73ec0 100644
--- a/net/netfilter/xt_TPROXY.c
+++ b/net/netfilter/xt_TPROXY.c
@@ -250,8 +250,8 @@ nf_tproxy_get_sock_v6(struct net *net, const u8 protocol,
  * no such listener is found, or NULL if the TCP header is incomplete.
  */
 static struct sock *
-tproxy_handle_time_wait4(struct sk_buff *skb, __be32 laddr, __be16 lport,
-			struct sock *sk)
+tproxy_handle_time_wait4(struct net *net, struct sk_buff *skb,
+			 __be32 laddr, __be16 lport, struct sock *sk)
 {
 	const struct iphdr *iph = ip_hdr(skb);
 	struct tcphdr _hdr, *hp;
@@ -267,7 +267,7 @@ tproxy_handle_time_wait4(struct sk_buff *skb, __be32 laddr, __be16 lport,
 		 * to a listener socket if there's one */
 		struct sock *sk2;
 
-		sk2 = nf_tproxy_get_sock_v4(dev_net(skb->dev), iph->protocol,
+		sk2 = nf_tproxy_get_sock_v4(net, iph->protocol,
 					    iph->saddr, laddr ? laddr : iph->daddr,
 					    hp->source, lport ? lport : hp->dest,
 					    skb->dev, NFT_LOOKUP_LISTENER);
@@ -290,7 +290,7 @@ nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk)
 }
 
 static unsigned int
-tproxy_tg4(struct sk_buff *skb, __be32 laddr, __be16 lport,
+tproxy_tg4(struct net *net, struct sk_buff *skb, __be32 laddr, __be16 lport,
 	   u_int32_t mark_mask, u_int32_t mark_value)
 {
 	const struct iphdr *iph = ip_hdr(skb);
@@ -305,7 +305,7 @@ tproxy_tg4(struct sk_buff *skb, __be32 laddr, __be16 lport,
 	 * addresses, this happens if the redirect already happened
 	 * and the current packet belongs to an already established
 	 * connection */
-	sk = nf_tproxy_get_sock_v4(dev_net(skb->dev), iph->protocol,
+	sk = nf_tproxy_get_sock_v4(net, iph->protocol,
 				   iph->saddr, iph->daddr,
 				   hp->source, hp->dest,
 				   skb->dev, NFT_LOOKUP_ESTABLISHED);
@@ -317,11 +317,11 @@ tproxy_tg4(struct sk_buff *skb, __be32 laddr, __be16 lport,
 	/* UDP has no TCP_TIME_WAIT state, so we never enter here */
 	if (sk && sk->sk_state == TCP_TIME_WAIT)
 		/* reopening a TIME_WAIT connection needs special handling */
-		sk = tproxy_handle_time_wait4(skb, laddr, lport, sk);
+		sk = tproxy_handle_time_wait4(net, skb, laddr, lport, sk);
 	else if (!sk)
 		/* no, there's no established connection, check if
 		 * there's a listener on the redirected addr/port */
-		sk = nf_tproxy_get_sock_v4(dev_net(skb->dev), iph->protocol,
+		sk = nf_tproxy_get_sock_v4(net, iph->protocol,
 					   iph->saddr, laddr,
 					   hp->source, lport,
 					   skb->dev, NFT_LOOKUP_LISTENER);
@@ -351,7 +351,7 @@ tproxy_tg4_v0(struct sk_buff *skb, const struct xt_action_param *par)
 {
 	const struct xt_tproxy_target_info *tgi = par->targinfo;
 
-	return tproxy_tg4(skb, tgi->laddr, tgi->lport, tgi->mark_mask, tgi->mark_value);
+	return tproxy_tg4(par->net, skb, tgi->laddr, tgi->lport, tgi->mark_mask, tgi->mark_value);
 }
 
 static unsigned int
@@ -359,7 +359,7 @@ tproxy_tg4_v1(struct sk_buff *skb, const struct xt_action_param *par)
 {
 	const struct xt_tproxy_target_info_v1 *tgi = par->targinfo;
 
-	return tproxy_tg4(skb, tgi->laddr.ip, tgi->lport, tgi->mark_mask, tgi->mark_value);
+	return tproxy_tg4(par->net, skb, tgi->laddr.ip, tgi->lport, tgi->mark_mask, tgi->mark_value);
 }
 
 #ifdef XT_TPROXY_HAVE_IPV6
@@ -429,7 +429,7 @@ tproxy_handle_time_wait6(struct sk_buff *skb, int tproto, int thoff,
 		 * to a listener socket if there's one */
 		struct sock *sk2;
 
-		sk2 = nf_tproxy_get_sock_v6(dev_net(skb->dev), tproto,
+		sk2 = nf_tproxy_get_sock_v6(par->net, tproto,
 					    &iph->saddr,
 					    tproxy_laddr6(skb, &tgi->laddr.in6, &iph->daddr),
 					    hp->source,
@@ -472,7 +472,7 @@ tproxy_tg6_v1(struct sk_buff *skb, const struct xt_action_param *par)
 	 * addresses, this happens if the redirect already happened
 	 * and the current packet belongs to an already established
 	 * connection */
-	sk = nf_tproxy_get_sock_v6(dev_net(skb->dev), tproto,
+	sk = nf_tproxy_get_sock_v6(par->net, tproto,
 				   &iph->saddr, &iph->daddr,
 				   hp->source, hp->dest,
 				   par->in, NFT_LOOKUP_ESTABLISHED);
@@ -487,7 +487,7 @@ tproxy_tg6_v1(struct sk_buff *skb, const struct xt_action_param *par)
 	else if (!sk)
 		/* no there's no established connection, check if
 		 * there's a listener on the redirected addr/port */
-		sk = nf_tproxy_get_sock_v6(dev_net(skb->dev), tproto,
+		sk = nf_tproxy_get_sock_v6(par->net, tproto,
 					   &iph->saddr, laddr,
 					   hp->source, lport,
 					   par->in, NFT_LOOKUP_LISTENER);