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[net,1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects

Message ID 20190903222213.7029-2-dsahern@kernel.org
State Accepted
Delegated to: David Miller
Headers show
Series nexthops: Fix multipath notifications for IPv6 and selftests | expand

Commit Message

David Ahern Sept. 3, 2019, 10:22 p.m. UTC 
From: David Ahern <dsahern@gmail.com>

A change to the core nla helpers was missed during the push of
the nexthop changes. rt6_fill_node_nexthop should be calling
nla_nest_start_noflag not nla_nest_start. Currently, iproute2
does not print multipath data because of parsing issues with
the attribute.

Fixes: f88d8ea67fbd ("ipv6: Plumb support for nexthop object in a fib6_info")
Signed-off-by: David Ahern <dsahern@gmail.com>
---
 net/ipv6/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 06f2e2d05785..b9b5be1aafff 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5323,7 +5323,7 @@  static int rt6_fill_node_nexthop(struct sk_buff *skb, struct nexthop *nh,
 	if (nexthop_is_multipath(nh)) {
 		struct nlattr *mp;
 
-		mp = nla_nest_start(skb, RTA_MULTIPATH);
+		mp = nla_nest_start_noflag(skb, RTA_MULTIPATH);
 		if (!mp)
 			goto nla_put_failure;