From: Matti Linnanvuori <[EMAIL PROTECTED]>
Date: Tue, 12 Feb 2008 23:06:41 -0800 (PST)

> There is a race in Linux kernel file net/core/dev.c, function dev_close.
> The function calls function dev_deactivate, which calls function
> dev_watchdog_down that deletes the watchdog timer. However, after that, a
> driver can call netif_carrier_ok, which calls function
> __netdev_watchdog_up that can add the watchdog timer again. Function
> unregister_netdevice calls function dev_shutdown that traps the bug
> !timer_pending(&dev->watchdog_timer). Moving dev_deactivate after
> netif_running() has been cleared prevents function netif_carrier_on
> from calling __netdev_watchdog_up and adding the watchdog timer again.
> 
> Signed-off-by: Matti Linnanvuori <[EMAIL PROTECTED]>

Patch applied, thanks.
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