On Thu, 2013-04-11 at 00:28 -0700, Grant Erickson wrote:
> Per MEEGO-25999 <https://bugs.meego.com/show_bug.cgi?id=25999>, there
> exists a race between scan_callback and wifi_disable such that a care-
> fully-timed deassertion of the technology Powered property between
> throw_wifi_scan and scan_callback will lead to a device reference
> count underflow. A second Powered property false -> true -> false
> transition will then deallocate the device and Wi-Fi will no longer
> function until connman or the system is restarted.
>
> This patch addresses that race by tracking and observing the disabling
> state such that scan_callback ad wifi_disable can effectively negotiate
> which has performed the device release, thereby avoiding the double
> release and resulting underflow.
Patch applied, many thanks!
Patrik
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