Commit 1f4a5983 authored by Ziyang Xuan's avatar Ziyang Xuan Committed by David S. Miller
Browse files

net: macvlan: add net device refcount tracker 



Add net device refcount tracker to macvlan.

Signed-off-by: default avatarZiyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 291ac684

drivers/net/macvlan.c

+2 −2
Original line number Diff line number Diff line
@@ -912,7 +912,7 @@ static int macvlan_init(struct net_device *dev) 
	port->count += 1;



	/* Get macvlan's reference to lowerdev */

	dev_hold(lowerdev);

	dev_hold_track(lowerdev, &vlan->dev_tracker, GFP_KERNEL);



	return 0;

}
@@ -1181,7 +1181,7 @@ static void macvlan_dev_free(struct net_device *dev) 
	struct macvlan_dev *vlan = netdev_priv(dev);



	/* Get rid of the macvlan's reference to lowerdev */

	dev_put(vlan->lowerdev);

	dev_put_track(vlan->lowerdev, &vlan->dev_tracker);

}



void macvlan_common_setup(struct net_device *dev)

include/linux/if_macvlan.h

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ struct macvlan_dev { 
	struct hlist_node	hlist;

	struct macvlan_port	*port;

	struct net_device	*lowerdev;

	netdevice_tracker	dev_tracker;

	void			*accel_priv;

	struct vlan_pcpu_stats __percpu *pcpu_stats;