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Diffstat (limited to 'net/ipv4/nexthop.c')
-rw-r--r--net/ipv4/nexthop.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index f1c6cbdb9e43..743777bce179 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -1399,7 +1399,7 @@ out:
/* rtnl */
/* remove all nexthops tied to a device being deleted */
-static void nexthop_flush_dev(struct net_device *dev)
+static void nexthop_flush_dev(struct net_device *dev, unsigned long event)
{
unsigned int hash = nh_dev_hashfn(dev->ifindex);
struct net *net = dev_net(dev);
@@ -1411,6 +1411,10 @@ static void nexthop_flush_dev(struct net_device *dev)
if (nhi->fib_nhc.nhc_dev != dev)
continue;
+ if (nhi->reject_nh &&
+ (event == NETDEV_DOWN || event == NETDEV_CHANGE))
+ continue;
+
remove_nexthop(net, nhi->nh_parent, NULL);
}
}
@@ -2189,11 +2193,11 @@ static int nh_netdev_event(struct notifier_block *this,
switch (event) {
case NETDEV_DOWN:
case NETDEV_UNREGISTER:
- nexthop_flush_dev(dev);
+ nexthop_flush_dev(dev, event);
break;
case NETDEV_CHANGE:
if (!(dev_get_flags(dev) & (IFF_RUNNING | IFF_LOWER_UP)))
- nexthop_flush_dev(dev);
+ nexthop_flush_dev(dev, event);
break;
case NETDEV_CHANGEMTU:
info_ext = ptr;