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

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Date:	Thu, 5 May 2016 01:33:09 +0100
From:	Marc Angel <marc@...sta.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH net-next v2] macvtap: add namespace support to the sysfs
 device class

On Wed, May 4, 2016 at 9:04 PM, David Miller <davem@...emloft.net> wrote:
> From: Marc Angel <marc@...sta.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.

Sorry about that... V3 should be better.