From 18e1173d5f3615c8c2680853ba87830ad8a0febc Mon Sep 17 00:00:00 2001 From: Haishuang Yan Date: Thu, 7 Sep 2017 14:08:35 +0800 Subject: [PATCH] ip6_tunnel: fix setting hop_limit value for ipv6 tunnel Similar to vxlan/geneve tunnel, if hop_limit is zero, it should fall back to ip6_dst_hoplimt(). Signed-off-by: Haishuang Yan Signed-off-by: David S. Miller --- net/ipv6/ip6_tunnel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 3a0ba2ae4b0f..10a693a19323 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1184,6 +1184,7 @@ route_lookup: init_tel_txopt(&opt, encap_limit); ipv6_push_frag_opts(skb, &opt.ops, &proto); } + hop_limit = hop_limit ? : ip6_dst_hoplimit(dst); /* Calculate max headroom for all the headers and adjust * needed_headroom if necessary. -- 2.20.1