Stephen Hemminger ae0e8e8220 veth: prevent oops caused by netdev destructor ...

From: Stephen Hemminger <shemminger@vyatta.com>

The veth driver will oops if sysfs hooks are open while module is removed.

The net device destructor can not point to code in a module; basically
there are only two possible safe values: NULL - no destructor, or
free_netdev - free on last use

Signed-off-by: David S. Miller <davem@davemloft.net>

2009-04-27 03:04:58 -07:00

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