[PATCH 4.14 24/34] net: Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255

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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kalash Nainwal <kalash@xxxxxxxxxx>

[ Upstream commit 97f0082a0592212fc15d4680f5a4d80f79a1687c ]

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@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/ipv6/route.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3495,7 +3495,7 @@ static int rt6_fill_node(struct net *net
 		table = rt->rt6i_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;
 	if (rt->rt6i_flags & RTF_REJECT) {





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