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Johan Hovold 24988d3a25 greybus: hd: fix host-device-removal race 
Make sure to tear down the svc and flush any on-going hotplug processing
before removing the remaining interfaces.

This fixes crashes due to host-device removal racing with svc
hotplug/unplug processing (e.g. at "UniPro restart").

Testing Done:
Verified that this fixes crashes reproducible on SDB when unloading the
host-device driver module while generating hotplug/unplug events.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
History 2016-01-28 08:10:56 -08:00
drivers/staging/greybus greybus: hd: fix host-device-removal race 2016-01-28 08:10:56 -08:00