[NETNS][IPV6] route6 - add netns parameter to ip6_route_output

Add an netns parameter to ip6_route_output. That will allow to access
to the right routing table for outgoing traffic.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 68720aa..1b8196c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -393,7 +393,7 @@
 	fl.oif = dev->ifindex;
 	security_skb_classify_flow(skb, &fl);
 
-	dst = ip6_route_output(NULL, &fl);
+	dst = ip6_route_output(&init_net, NULL, &fl);
 	if (!dst->error && (dst->dev == dev) && (neigh = dst->neighbour)) {
 
 		addr6 = (struct in6_addr*)&neigh->primary_key;