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veth: prevent oops caused by netdev destructor
authorStephen Hemminger <shemminger@vyatta.com>
Mon, 27 Apr 2009 10:04:58 +0000 (03:04 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 27 Apr 2009 10:04:58 +0000 (03:04 -0700)
commitae0e8e82205c903978a79ebf5e31c670b61fa5b4
tree78d54aa285b9a6275e4628ed1fa0965e74417161tree
parent6a783c9067e3f71aac61a9262fe42c1f68efd4fccommit | diff
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>
drivers/net/veth.c diff | blob | blame | history
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