iptunnels: remove net arg from iptunnel_xmit()

This argument is not used, let's remove it.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 830de3f..0a6cf0e 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -654,8 +654,7 @@
 		}
 	}
 
-	err = iptunnel_xmit(tunnel->net, rt, skb,
-			    fl4.saddr, fl4.daddr, protocol,
+	err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, protocol,
 			    ip_tunnel_ecn_encap(tos, inner_iph, skb), ttl, df);
 	iptunnel_xmit_stats(err, &dev->stats, dev->tstats);