tcp: Do not underestimate rwnd_limited

[linux.git] / net / ipv4 / ip_tunnel_core.c

diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index dde671e978298b5b0239f975fe134b232db9049b..c248e0dccbe17afa397910b0d68260daf2a9eb3f 100644 (file)
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -80,7 +80,7 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
 
        iph->version    =       4;
        iph->ihl        =       sizeof(struct iphdr) >> 2;
-       iph->frag_off   =       df;
+       iph->frag_off   =       ip_mtu_locked(&rt->dst) ? 0 : df;
        iph->protocol   =       proto;
        iph->tos        =       tos;
        iph->daddr      =       dst;