ipv4 tunnels: use net_eq() helper to check netns

It's better to use available helpers for these tests.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ip_tunnel.c

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index fbc1094..a351a00 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -461,7 +461,7 @@
 		skb->dev = tunnel->dev;
 	}
 
-	if (tunnel->net != dev_net(tunnel->dev))
+	if (!net_eq(tunnel->net, dev_net(tunnel->dev)))
 		skb_scrub_packet(skb);
 
 	gro_cells_receive(&tunnel->gro_cells, skb);
@@ -614,7 +614,7 @@
 		goto tx_error;
 	}
 
-	if (tunnel->net != dev_net(dev))
+	if (!net_eq(tunnel->net, dev_net(dev)))
 		skb_scrub_packet(skb);
 
 	if (tunnel->err_count > 0) {

net/ipv6/sit.c

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index a3437a4..f18f842 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -621,7 +621,7 @@
 		tstats->rx_packets++;
 		tstats->rx_bytes += skb->len;
 
-		if (tunnel->net != dev_net(tunnel->dev))
+		if (!net_eq(tunnel->net, dev_net(tunnel->dev)))
 			skb_scrub_packet(skb);
 		netif_rx(skb);
 
@@ -860,7 +860,7 @@
 			tunnel->err_count = 0;
 	}
 
-	if (tunnel->net != dev_net(dev))
+	if (!net_eq(tunnel->net, dev_net(dev)))
 		skb_scrub_packet(skb);
 
 	/*
@@ -1589,7 +1589,7 @@
 				/* If dev is in the same netns, it has already
 				 * been added to the list by the previous loop.
 				 */
-				if (dev_net(t->dev) != net)
+				if (!net_eq(dev_net(t->dev), net))
 					unregister_netdevice_queue(t->dev,
 								   head);
 				t = rtnl_dereference(t->next);