Re: [PATCH] fix ZOMBIE state bug in PPPOE driver

On Sun, Sep 16, 2012 at 10:30 AM, Xiaodong Xu [off-list ref] wrote:

Hi All,

I found a bug in kernel PPPOE driver.
When PPPOE is running over a virtual ethernet interface (e.g., a
bonding interface) and the user tries to delete the interface in case
the PPPOE state is ZOMBIE, the kernel will loop infinitely while
unregistering net_device for the reference count is not reset to zero
which should be done by dev_put().

The following patch could fix this issue:

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