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tun: Don't assume type tun in tun_device_event
[cascardo/linux.git]
/
drivers
/
net
/
tun.c
diff --git
a/drivers/net/tun.c
b/drivers/net/tun.c
index
5eadb7a
..
9c8b5bc
100644
(file)
--- a/
drivers/net/tun.c
+++ b/
drivers/net/tun.c
@@
-2503,6
+2503,9
@@
static int tun_device_event(struct notifier_block *unused,
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct tun_struct *tun = netdev_priv(dev);
+ if (dev->rtnl_link_ops != &tun_link_ops)
+ return NOTIFY_DONE;
+
switch (event) {
case NETDEV_CHANGE_TX_QUEUE_LEN:
if (tun_queue_resize(tun))