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Date:   Wed, 20 Feb 2019 16:23:04 -0800
From:   Kalash Nainwal <kalash@...sta.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, linux-kernel@...r.kernel.org,
        kalash@...sta.com
Subject: [PATCH] Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255

Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255 to
keep legacy software happy. This is similar to what was done for
ipv4 in commit 709772e6e065 ("net: Fix routing tables with
id > 255 for legacy software").

Signed-off-by: Kalash Nainwal <kalash@...sta.com>
---
 net/ipv6/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 964491cf3672..77c07b2943f5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4649,7 +4649,7 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb,
 		table = rt->fib6_table->tb6_id;
 	else
 		table = RT6_TABLE_UNSPEC;
-	rtm->rtm_table = table;
+	rtm->rtm_table = table < 256 ? table : RT_TABLE_COMPAT;
 	if (nla_put_u32(skb, RTA_TABLE, table))
 		goto nla_put_failure;
 
-- 
2.19.1

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