Re: [PATCH 1/2] ip_tunnel: fix setting ttl and tos value in collect_md mode

From: Alexei Starovoitov
Date: Fri Sep 08 2017 - 21:55:13 EST


On 9/6/17 11:08 PM, Haishuang Yan wrote:
ttl and tos variables are declared and assigned, but are not used in
iptunnel_xmit() function.

Fixes: cfc7381b3002 ("ip_tunnel: add collect_md mode to IPIP tunnel")
Cc: Alexei Starovoitov <ast@xxxxxx>
Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
---
net/ipv4/ip_tunnel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 129d1a3..e1856bf 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -618,8 +618,8 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, u8 proto)
ip_rt_put(rt);
goto tx_dropped;
}
- iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, proto, key->tos,
- key->ttl, df, !net_eq(tunnel->net, dev_net(dev)));
+ iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, proto, tos, ttl,
+ df, !net_eq(tunnel->net, dev_net(dev)));

indeed. good catch. thanks
Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx>