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authorAl Viro <viro@zeniv.linux.org.uk>2016-01-04 18:25:34 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2016-01-04 18:25:34 +0300
commit7e935c7ca1e6c398f11edac5beabfc4348e3b3a4 (patch)
tree86da864ba6341bd86b5f5450c611f918722237b2 /net/ipv4/fib_frontend.c
parentc62432b40b5e03c25faf2c8f8547bba4908b8945 (diff)
parente9d408e107db9a554b36c3a79f67b37dd3e16da0 (diff)
downloadlinux-7e935c7ca1e6c398f11edac5beabfc4348e3b3a4.tar.xz
Merge branch 'memdup_user_nul' into work.misc
Diffstat (limited to 'net/ipv4/fib_frontend.c')
-rw-r--r--net/ipv4/fib_frontend.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index cc8f3e506cde..473447593060 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1155,6 +1155,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info;
struct in_device *in_dev;
struct net *net = dev_net(dev);
unsigned int flags;
@@ -1193,6 +1194,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
case NETDEV_CHANGEMTU:
rt_cache_flush(net);
break;
+ case NETDEV_CHANGEUPPER:
+ info = ptr;
+ /* flush all routes if dev is linked to or unlinked from
+ * an L3 master device (e.g., VRF)
+ */
+ if (info->upper_dev && netif_is_l3_master(info->upper_dev))
+ fib_disable_ip(dev, NETDEV_DOWN, true);
+ break;
}
return NOTIFY_DONE;
}