Re: [Xen-devel] [PATCH for-4.10] libs/evtchn: Remove active handler on clean-up or failure

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Ross Lagerwall writes ("Re: [PATCH for-4.10] libs/evtchn: Remove active handler 
on clean-up or failure"):
> Now that I look at it, a similar scenario can happen during open. Since 
> the handle is registered before it is actually opened, a concurrent 
> xentoolcore_restrict_all() will try to restrict a handle that it not 
> properly set up.

I think this is not a problem because the handle has thing->fd = -1.
So the restrict call will be a no-op (or give EBADF).

Ian.

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