gre6: Move the setting of dev->iflink into the ndo_init functions.

[ Upstream commit f03eb128e3f4276f46442d14f3b8f864f3775821 ]

Otherwise it gets overwritten by register_netdev().

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index cb57aa8..b27f6d3 100644 (file)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -962,8 +962,6 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
        else
                dev->flags &= ~IFF_POINTOPOINT;
 
-       dev->iflink = p->link;
-
        /* Precalculate GRE options length */
        if (t->parms.o_flags&(GRE_CSUM|GRE_KEY|GRE_SEQ)) {
                if (t->parms.o_flags&GRE_CSUM)
@@ -1273,6 +1271,7 @@ static int ip6gre_tunnel_init(struct net_device *dev)
                u64_stats_init(&ip6gre_tunnel_stats->syncp);
        }
 
+       dev->iflink = tunnel->parms.link;
 
        return 0;
 }
@@ -1474,6 +1473,8 @@ static int ip6gre_tap_init(struct net_device *dev)
                u64_stats_init(&ip6gre_tap_stats->syncp);
        }
 
+       dev->iflink = tunnel->parms.link;
+
        return 0;
 }