On Thu, Sep 15, 2016 at 05:10:46PM +0200, Filipe Manco wrote: > In case of error during netback_probe() (e.g. an entry missing on the > xenstore) netback_remove() is called on the new device, which will set > the device backend state to XenbusStateClosed by calling > set_backend_state(). However, the backend state wasn't initialized by > netback_probe() at this point, which will cause and invalid transaction > and set_backend_state() to BUG(). > > Initialize the backend state at the beginning of netback_probe() to > XenbusStateInitialising, and create two new valid state transitions on > set_backend_state(), from XenbusStateInitialising to XenbusStateClosed, > and from XenbusStateInitialising to XenbusStateInitWait. > > Signed-off-by: Filipe Manco <filipe.ma...@neclab.eu>
Acked-by: Wei Liu <wei.l...@citrix.com>