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authorThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
commit1758047057dbe329be712a31b79db7151b5871f8 (patch)
tree00203eb55328f2feda70b3d37c964287b364796f /net/ipv4/arp.c
parentbcae3af286f49bf4f6cda03f165fbe530f4a6bed (diff)
parent1c405ca11bf563de1725e5ecfb4a74ee289d2ee9 (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging to bring drm-misc-next-fixes up to the latest state for the current release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 922dd73e5740..857a144b1ea9 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1247,6 +1247,8 @@ static int arp_netdev_event(struct notifier_block *this, unsigned long event,
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct netdev_notifier_change_info *change_info;
+ struct in_device *in_dev;
+ bool evict_nocarrier;
switch (event) {
case NETDEV_CHANGEADDR:
@@ -1257,7 +1259,14 @@ static int arp_netdev_event(struct notifier_block *this, unsigned long event,
change_info = ptr;
if (change_info->flags_changed & IFF_NOARP)
neigh_changeaddr(&arp_tbl, dev);
- if (!netif_carrier_ok(dev))
+
+ in_dev = __in_dev_get_rtnl(dev);
+ if (!in_dev)
+ evict_nocarrier = true;
+ else
+ evict_nocarrier = IN_DEV_ARP_EVICT_NOCARRIER(in_dev);
+
+ if (evict_nocarrier && !netif_carrier_ok(dev))
neigh_carrier_down(&arp_tbl, dev);
break;
default: