diff mbox series

[RFC,net-next,08/19] ipv6: Check nexthop flags in route dump instead of carrier

Message ID 20171231161513.25785-9-idosch@mellanox.com
State RFC, archived
Delegated to: David Miller
Headers show
Series [RFC,net-next,01/19] ipv6: Remove redundant route flushing during namespace dismantle | expand

Commit Message

Ido Schimmel Dec. 31, 2017, 4:15 p.m. UTC 
Similar to previous patch, there is no need to check for the carrier of
the nexthop device when dumping the route and we can instead check for
the presence of the RTNH_F_LINKDOWN flag.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 net/ipv6/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 3c4e679614fd..2bef8d1f279d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4039,7 +4039,7 @@  static size_t rt6_nlmsg_size(struct rt6_info *rt)
 static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt,
 			    unsigned int *flags, bool skip_oif)
 {
-	if (!netif_running(rt->dst.dev) || !netif_carrier_ok(rt->dst.dev)) {
+	if (rt->rt6i_nh_flags & RTNH_F_LINKDOWN) {
 		*flags |= RTNH_F_LINKDOWN;
 		if (rt->rt6i_idev->cnf.ignore_routes_with_linkdown)
 			*flags |= RTNH_F_DEAD;