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-rw-r--r--net/ipv6/addrconf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 6936d0d8c6b1..5e9111da449d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3287,7 +3287,8 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
case NETDEV_PRE_TYPE_CHANGE:
case NETDEV_POST_TYPE_CHANGE:
- addrconf_type_change(dev, event);
+ if (idev)
+ addrconf_type_change(dev, event);
break;
}