ip6_gre: update version related info when changing link

We forgot to update ip6erspan version related info when changing link,
which will cause setting new hwid failed.

Reported-by: Jianlin Shi <jishi@redhat.com>
Fixes: f2bf205dab511 ("ip6_gre: add erspan v2 support")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index f2543df50035e8d9b75520fb48dc4a0affd331b2..026f08735549c7ca08c2086b275d475cef478852 100644 (file)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1169,6 +1169,10 @@ static void ip6gre_tnl_copy_tnl_parm(struct ip6_tnl *t,
        t->parms.i_flags = p->i_flags;
        t->parms.o_flags = p->o_flags;
        t->parms.fwmark = p->fwmark;
+       t->parms.erspan_ver = p->erspan_ver;
+       t->parms.index = p->index;
+       t->parms.dir = p->dir;
+       t->parms.hwid = p->hwid;
        dst_cache_reset(&t->dst_cache);
 }