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-rw-r--r--net/hsr/hsr_main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index 9e389accbfc7..26d6c39f24e1 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -85,7 +85,8 @@ static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event,
master->dev->mtu = mtu_max;
break;
case NETDEV_UNREGISTER:
- hsr_del_port(port);
+ if (!is_hsr_master(dev))
+ hsr_del_port(port);
break;
case NETDEV_PRE_TYPE_CHANGE:
/* HSR works only on Ethernet devices. Refuse slave to change