vlan: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 866556e..26d031a 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -616,7 +616,7 @@ static int vlan_dev_init(struct net_device *dev)
return -ENOMEM;
/* Get vlan's reference to real_dev */
- dev_hold(real_dev);
+ dev_hold_track(real_dev, &vlan->dev_tracker, GFP_KERNEL);
return 0;
}
@@ -848,7 +848,7 @@ static void vlan_dev_free(struct net_device *dev)
vlan->vlan_pcpu_stats = NULL;
/* Get rid of the vlan's reference to real_dev */
- dev_put(vlan->real_dev);
+ dev_put_track(vlan->real_dev, &vlan->dev_tracker);
}
void vlan_setup(struct net_device *dev)