After parsing the sit netlink change info, we forget to update frag_off in
ipip6_tunnel_update(). Fix it by assigning frag_off with new value.
Fixes: f37234160233 ("sit: add support of link creation via rtnl")
Reported-by: Jianlin Shi <[email protected]>
Signed-off-by: Hangbin Liu <[email protected]>
---
net/ipv6/sit.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d60ddcb..d7dc23c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1098,6 +1098,7 @@ static void ipip6_tunnel_update(struct ip_tunnel *t,
struct ip_tunnel_parm *p,
ipip6_tunnel_link(sitn, t);
t->parms.iph.ttl = p->iph.ttl;
t->parms.iph.tos = p->iph.tos;
+ t->parms.iph.frag_off = p->iph.frag_off;
if (t->parms.link != p->link || t->fwmark != fwmark) {
t->parms.link = p->link;
t->fwmark = fwmark;
--
2.5.5
