ipv4: remove useless codes in ipmr_device_event()

Commit 7dc00c82 added a 'notify' parameter for vif_delete() to
distinguish whether to unregister the device.

When notify=1 means we does not need to unregister the device,
so calling unregister_netdevice_many is useless.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 76a7f07b38b6..8e54490ee3f4 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1520,7 +1520,6 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
         struct mr_table *mrt;
         struct vif_device *v;
         int ct;
-        LIST_HEAD(list);
 
         if (event != NETDEV_UNREGISTER)
                 return NOTIFY_DONE;
@@ -1529,10 +1528,9 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
                 v = &mrt->vif_table[0];
                 for (ct = 0; ct < mrt->maxvif; ct++, v++) {
                         if (v->dev == dev)
-                                vif_delete(mrt, ct, 1, &list);
+                                vif_delete(mrt, ct, 1, NULL);
                 }
         }
-        unregister_netdevice_many(&list);
         return NOTIFY_DONE;
 }