Re: [PATCH net-next v2] macvtap: add namespace support to the sysfs device class

[David Miller]

From: Marc Angel <m...@arista.com>
Date: Tue,  3 May 2016 20:30:54 +0200

> @@ -1274,6 +1285,7 @@ static int macvtap_device_event(struct notifier_block 
> *unused,
>                               unsigned long event, void *ptr)
>  {
>       struct net_device *dev = netdev_notifier_info_to_dev(ptr);
> +     const char *tap_name = kasprintf(GFP_KERNEL, "tap%d", dev->ifindex);
>       struct macvlan_dev *vlan;
>       struct device *classdev;
>       dev_t devt;

This 'tap_name' buffer seems to be leaked in several code paths.