Juergen Gross writes ("[PATCH] libxl: don't segfault when creating domain with
invalid pvusb device"):
> Creating a domain with an invalid controller specification for a pvusb
> device will currently segfault.
>
> Avoid this by bailing out early in case of a mandatory xenstore path
> not existing.
This should be done by adding a test of tmp for NULL. libxl__xs_read
does no logging so is not really an improvement.
If you felt like inventing libxl__xs_read_must or something (maybe Wei
has a suggestion for a better name) that calls ENOENT a failure
instead, I'd be happy with that.
Thanks,
Ian.
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